Compass & Codex
Adventure history and adventure science — fiction stories for boys.
Compass & Codex is a serialized storytelling podcast for boys ages 8–14 and the families who read with them. Every episode is a chapter of an ongoing story: fire ant scouts, Roman legions, pirates, and more — told with real biology, real history, and real stakes.
We explore the unknown, every time.
Current series:
- Colony in Danger (fire ant adventure fiction)
- Eagle's Edge (Roman historical fiction).
New chapters every week.
Subscribe and start from Chapter 1.
Hosted by Reed Sterling.
For fans of Watership Down, Redwall, the Warriors series, Empires of the Undergrowth, and anyone who wants adventure fiction that respects the reader.
Compass & Codex
Eagle's Edge: CH 4 | Marcus Sees an Entire Nation Walking Across Gaul | Homeschool History Audiobook
Use Left/Right to seek, Home/End to jump to start or end. Hold shift to jump forward or backward.
A Roman Army Adventure Audiobook for boys 8–14.
Eagle's Edge is the chapter-by-chapter Roman military adventure story where a sixteen-year-old farm boy from Mediolanum learns what the legion actually demands...one blistered step at a time.
In this Boys Historical Fiction Adventure chapter, Marcus Aemilius Corvus sees the Helvetii for the first time. Not as an army. As 368,000 people. Children, mothers, grandparents, and wagons piled with everything a civilization owns. Caesar refused them passage through the Roman province. They burned their own homes rather than turn back. And Marcus has been ordered to stand in their path.
Each chapter of this story is a 30–40 minute serialized adventure with a clear cliffhanger. Historically accurate down to the marching cadence, drawn from Caesar's actual campaigns.
Perfect for boys 8–14, reluctant readers, classical homeschool families studying Caesar's Gallic Wars, and anyone who loved Eagle of the Ninth or Percy Jackson and wants real Roman history with the action turned up. A Homeschool History Audiobook that doesn't pretend war is clean.
For fans of Eagle of the Ninth, Percy Jackson, and classical adventure fiction.
New chapters every Thursday. Follow us now.
📚 The full ebook — The Making of a Soldier, Book 1 of Eagle's Edge — is available soon!
🏆 And: Colony in Danger Book 1 -- The Fire Ant Kingdom -- is #1 in New Releases for Children's eBooks on Amazon: https://www.amazon.com/dp/B0H2WC17R3
I am the author of serialized fiction books for kids, teens, tweens and young adults, including:
- Brickhaven: A Bricks Fan Fiction Adventure
- Colony In Danger: A Fire Ant Adventure
- Eagle's Edge: A Story of Rome, Gaul and the Making of a Soldier
- Treasure Island: A Classic Adaptation
- Iron Rails & Ruin: A Novel of Steam, Sorcery and the Lawless Montana Territory
📚 All five books -- are now available on Amazon: https://us.amazon.com/stores/Reed-Sterling/author/B0H2ZM86WQ
📖 Wanna check out all five series for yourself? Get all five Chapter 1s free: https://compass-codex.kit.com/middle-school-reader-group
Thank you for listening! This is Reed Sterling. Remember: Never stop exploring unknown worlds.
Three hundred sixty eight thousand people are walking across Gaul. Marcus is just a Roman recruit, and he knows that they are not warriors yet. By nightfall, Petronius says they will be. This is Compass and Codex. Never stop exploring unknown worlds. This is Eagle's Edge A story of Rome, Gaul, and the making of a soldier.
— Marcus Wakes Up Broken
SPEAKER_00Chapter four The Helveti Scene One Dawn came with the familiar blast of the cornew, pulling Marcus from troubled dreams of endless marching. His body resisted every movement as he sat up in the cramped tent, the night's rest having done little to ease his battered muscles. When he pressed his feet to the ground, pain shot up his legs. Yesterday's wounds still roar despite Lucius's salve. He gritted his teeth and reached for his caligai, knowing that inside their leather confines fresh blood would soon soak through his bandages. The forest that had looked so dark and forbidding the evening before now loomed larger in the grey morning light, a reminder that they were moving deeper into unknown territory with each passing hour. Up, up, Broken Nose hissed, already strapping on his armor. Centurions in a foul mood. Someone stole wine from the officer's tent last night. Around him the contubernium stirred with the practised haste of men who had learned in just days the cost of being slow. Petronius was already gone, his bedroll neatly packed away as though he'd never been there. The blacksmith's apprentice worked silently to fold the heavy leather that had sheltered them, while Lucius somehow managed to eat a piece of hard bread while simultaneously donning his Lorica hemata. How are the feet? Lucius asked between bites, nodding toward Marcus's bloody foot wraps. They're still attached, Marcus replied, forcing a smile as he slipped the calligra over his bandages. The first step brought tears to his eyes, but he blinked them away. Today would be no different from yesterday. Pain to be endured, distance to be covered, counting steps until his mind could escape to his father's workshop again. Outside, the camp dismantled itself with mechanical efficiency. The palisade they had built with such effort the night before was already being taken down, each man retrieving the stake he had carried for miles, fires were extinguished, tents collapsed, equipment packed. Within half an hour of the horn's first call, five thousand men stood in formation, ready to march. Marcus found his place in the column behind Broken Nose, shield on his left arm, two pila gripped in his right hand, his eyes drifted to the forest ahead, dark, primeval, a world untroubled by Rome's straight lines and rigid order. Somewhere in that green vastness waited the Helviti, though Marcus had only the vaguest notion of who or what they might be. Farm boys from Mediolanum weren't taught the political geography of Gaul. Column,
— The March Begins
SPEAKER_00advance. The command rippled down the line, followed by the now familiar sound of thousands of hobnailed caligai striking the earth in unison. Marcus stepped forward with his left foot, automatically falling into rhythm with the men around him. Left, right, left. The pain came immediately, sharp and insistent, but he had expected it, had prepared for it. One, he counted silently. Two, three. They marched away from the forest initially, following a wide track that skirted its edge rather than plunging into its depths. The path took them through rolling countryside, dotted with small clusters of buildings, not proper villages by Roman standards, but collections of round structures with thatched roofs. Most stood abandoned, doors hanging open, livestock pens empty. The locals heard we were coming, Broken Nose muttered over his shoulder, smart enough to clear out. Or the Helvetier already passed through, added another legionary nearby. That's what we're here to stop, isn't it? Their whole tribe moving west. Marcus had heard fragments of information since joining the legion, that Caesar had refused the Helveti permission to migrate through the Roman province, that they were trying to find another route west, that they numbered in the hundreds of thousands. But these had seemed like abstract problems, distant from the immediate reality of blistered feet and aching shoulders. One hundred twenty one, one hundred twenty two. The sun climbed higher as they marched, burning away the morning mist to reveal a landscape that grew progressively wilder. The cultivated fields near their night's camp gave way to untamed meadows where grasses grew waist high. Small streams cut across their path, requiring impromptu bridges of fallen logs or where the water ran shallow enough, simple fords that left their already sodden footwear completely saturated. By mid morning Marcus had settled into the numbing rhythm of the march, his mind retreating to his father's workshop while his body continued its mechanical forward motion. The pain in his feet had transformed from sharp stabs to a steady, throbbing pulse that matched his heartbeat. His count had reached into the thousands, becoming meaningless except as a focus for his attention. He was so deeply withdrawn that he almost missed the change that came over the column. A subtle tension passed through the ranks
— Dust on the Horizon
SPEAKER_00like a wave, men straightening their posture, grips tightening on weapons. Marcus blinked, pulling his consciousness back to the present moment and saw what had caused the shift. On the horizon ahead a smudge of brown against the blue sky. Not clouds, something else, something rising from the earth. Dust, said the veteran, marching to his right, a lot of it. Marcus squinted, trying to make sense of the distant haze. It stretched across the horizon from left to right, not a single plume, but a continuous line, as though an invisible hand were dragging a dirty cloth across the sky. How many would it take to make that much dust? Someone asked. More than you've ever seen, the veteran replied, his voice flat. As they continued their advance the dust cloud grew more distinct. Marcus found himself unable to retreat to his father's workshop now, his attention fixed on the mysterious phenomenon ahead. The officers had noticed it too, messengers rode up and down the column and scouts spurred their horses forward toward the disturbance. three hundred and ninety two, three hundred and ninety three. Marcus continued his count, but now it was to steady his growing nerves rather than to escape pain. His throat felt dry, despite regular swigs from his water skin. His palms sweated inside
— The Column Halts
SPEAKER_00his grip on the piler. They crested a gentle rise, and suddenly the source of the dust became clear. The column halted, officers shouting commands that froze five thousand men in place. Marcus stood rooted to the spot, his count forgotten, his mind struggling to comprehend the scene before him. People, thousands upon thousands of people stretching across the landscape as far as he could see in either direction. Not an army in formation, though there were warriors among them, distinguishable by their bright shields and long spears, but an entire people on the move. Wagons creaked under piles of household goods, drawn by slow moving oxen. Herds of sheep and cattle moved between groups of walkers. Children darted through the mass of humanity, playing some game that involved weaving between the legs of adults. Old men and women sat atop wagons or walked with the aid of sticks. Infants cried from slings across their mothers' backs. It was like watching a city uproot itself and walk across the countryside, except no city Marcus had ever heard of held this many souls. Jupiter's cock, breathed Lucius beside him, for once finding no comparison to his mother's cooking. There's so many. Marcus's grip tightened on his pylum. He had expected an army. He had steeled himself as much as a new recruit could, for the prospect of ordered ranks of warriors. But this sea of humanity was something else entirely. Something he had no framework to understand. A scrap of conversation from the previous day floated back to him. Three hundred sixty eight thousand people an entire nation walking. As they watched, the migration continued its inexorable progress, seemingly oblivious to the Roman column observing from the hillside. The distance was still great enough that individual features were indistinguishable, but Marcus could make out the bright colours of clothing, the flash of metal ornaments, the varied shapes of the wagons. Some were simple carts, others elaborate conveyances with curved sides and covered tops. Some people walked in obvious family groups, others in what appeared to be clan units, identifiable by similar clothing or banners. They've been marching for weeks already, said a veteran nearby. Word is they burned their own towns before leaving, so there'd be nothing to go back to. Marcus tried to imagine the determination required for such an act, to deliberately destroy your home, to set out with only what you could carry or pull, to walk into uncertain territory with your entire family. It seemed simultaneously desperate and courageous, reckless and resolute. As the column resumed its advance, moving parallel to the migration now, Marcus could make out more details. The warriors were not the giants of campfire stories, though some stood tall enough to look imposing
— Warriors Among Them
SPEAKER_00even at this distance, but they moved with a confidence that suggested they knew how to use the weapons they carried. Some had painted their faces or arms with swirling blue patterns. Their hair was indeed lighter than was common among Romans, ranging from straw yellow to deep red, often worn long and sometimes stiffened with lime to stand up from the scalp in spikes. Between the warriors walked women who looked nothing like the demure sheltered women of Rome. These women carried knives at their belts and moved with the same purposeful stride as their men. Some bore infants in slings across their chests, others herded children or led pack animals laden with household goods. They spoke loudly, laughed openly, and occasionally broke into songs that carried across the distance in strange, haunting harmonies. The elderly among them presented the most difficult sight for Marcus. Men and women of his grandparents' generation struggled to maintain the pace, supported by younger family members or by walking sticks fashioned from tree branches. Some rode in wagons, their weathered faces peering out from beneath coverings that shielded them from sun and dust. Others walked with painful slowness, yet with a dignity that refused surrender to age or exhaustion. My mother would kill a man for that cooking pot, Lucius murmured, pointing to a particularly large bronze vessel strapped to the side of a passing wagon. His attempt at humor fell flat, his voice betraying his own awe at the spectacle before them. Around Marcus, other legionaries made similar efforts to reduce the migration to something comprehensible, something that fit within their experience. It's just like that training exercise outside Placentia, one said. Remember? When they had the auxiliaries play the refugees? Nothing like it, countered another. There were what, two hundred men in that exercise. This is he gestured helplessly at the endless stream of humanity. They're not all warriors, a third
— They're Not All Warriors
SPEAKER_00voice added. Most of them are just people. That simple observation struck Marcus with unexpected force, just people, not an army of barbarian warriors descending on Rome's territories, but families, men, women, children, elderly seeking new lands. Yet the veterans among them watched the migration with hard, assessing eyes that suggested they saw something different, something dangerous. The Roman response to the migration unfolded with the same disciplined precision that Marcus had observed in every aspect of legion life. Centurions moved up and down the line, shifting files to maintain optimal formation. Scouts rode out at regular intervals approaching close enough to observe the Helvetii, but not so near as to provoke confrontation. Standard bearers held the signa high, the metal eagles catching the midday sun and flashing signals that Marcus couldn't interpret, but that clearly conveyed meaning to the officers. Tribune Servius, recognizable by his red crested helmet and the quality of his armor, rode past their section of the column, his face set in lines of concentration as he observed the migration. Behind him a junior officer scribbled notes on a wax tablet, occasionally shouting questions to centurions who responded with rapid, precise information. They're counting them, Broken Nose realized aloud, trying to verify the numbers. The disciplined response of the officers made the spectacle somehow more comprehensible, more contained. Rome's ordered approach imposed structure on the chaos of the migration, transforming it from an overwhelming human tide to a quantifiable problem with military dimensions, scouts, counts, formations, these were the tools by which Rome would address this moving nation. Still, Marcus couldn't tear his eyes from the endless stream of people. Something about their determined progress, their willingness to abandon everything familiar in search of new lands, stirred a reluctant admiration in him. These were not the howling barbarians of his limited imagination, painted blue and thirsting for Roman blood. They were a people, proud, desperate, determined. Are they all warriors? he asked, not realizing he had spoken aloud until Petronius turned to look at him. The veteran had appeared silently beside him, as was his habit, and now regarded the migration with the flat, unimpressed gaze that seemed to be his default expression. Marcus felt heat rise in his face, embarrassed by the naivete of his question. But Petronius didn't mock him. Instead, the veteran's eyes tracked a group of Helveti
— By Tonight They Will Be
SPEAKER_00warriors who rode along the edge of the migration, their spears held vertically, their shields painted with symbols Marcus didn't recognize. By tonight, Petronius said finally, they will be. The words landed with the weight of hard earned certainty, not a boast or a threat, but a simple statement of fact from a man who had seen enough battles to know how quickly civilians became combatants when threatened. Marcus felt a chill that had nothing to do with the spring air. In that moment the enormity of what lay ahead crystallized in his mind. This was not a training exercise, not a border skirmish, not even a conventional battle between opposing armies. This was Rome standing before an entire people in motion, men, women, children, elderly, and preparing to tell them no. You may not pass, you may not seek the lands you desire. You must turn back or face our swords. And they would not turn back, these people who had burned their own homes to prevent retreat, which meant Marcus swallowed hard, his throat suddenly dry. His grip on his pylum had grown so tight that his knuckles ached. Around him the legion continued its disciplined observation, its ordered response to the human tide flowing past them. Above the dust raised by thousands of feet drifted across the sun, casting a strange, muted light over the scene, as though they all moved through a dream from which they would soon violently awaken. By tonight they will be. The words echoed in Marcus's mind as the column resumed its march, paralleling the migration, measuring it, counting it. Preparing to meet it not as a human tragedy, but as a military problem requiring a military solution. The pain in his feet seemed trivial now, lost beneath the weight of this new understanding. He was no longer marching toward some abstract enemy. He was marching toward families who would by nightfall become warriors because they had to, because Rome demanded it, because he, Marcus Emilius
— CH 5 — What Comes Next
SPEAKER_00Corvus, stood in their path wearing the armor of the legions. One more step, then another, then another, but he was no longer counting. Thanks for listening to Eagle's Edge. New chapters drop every Thursday, and the Making of a Soldier, Book I of Eagle's Edge, is available on Amazon now. And just so you know, Colony in Danger. Book one just hit number one in new releases for children's ebooks on Amazon. We are so excited. If you liked Eagle's Edge, listen to Iron Rails and Ruin on Fridays. A fourteen year old engineer in 1882, Montana finds out his father is alive, and the evil group called the Syndicate has fourteen days to take every locomotive in the territory. Back to Eagle's Edge. Marcus just learned what war actually is. What would you have done in the formation that morning? Next week in chapter 5, Marcus crosses the Ara River with his sword drawn. This is Reed Sterling. Thank you for listening to Compass and Codex. Never stop exploring unknown worlds.