Steven Doornbos

The crisp autumn air has brought more than just falling leaves to town. Pumpkins are vanishing without a trace, mysterious bells chime in the dead of night, and worst of all, a shadowy scarecrow has decided to climb down from its post and roam the streets. When things go bump in the night, it is up to Calvin and his ever-loyal beagle, Pudge, to crack the case. Armed with a sharp nose for clues and plenty of courage, the detective duo teams up with their friends to uncover secrets that have been buried for generations. As the lights flicker low and the Halloween spookiness ramps up, they quickly discover that local legends do not always follow the rules. This suspenseful and funny adventure will keep you guessing at every turn. It is a thrilling mystery that proves the best way to face the dark is by standing together with your best friends.

The Great Maplewood Soap Box Derby is approaching, and the competition is absolutely fierce. Calvin and his trusty beagle, Pudge, are determined to race, but there is one massive roadblock: they have absolutely no idea how to build a car. What follows is a wildly entertaining crash course in backyard engineering as the duo cobbles together a wobbly but spirited racer. On race day, they find themselves lined up against some unbelievable downhill machines, including a pirate ship, a rocket, and a giant speeding banana. To make it across the finish line in one piece, Calvin and Pudge will have to rely on their wits, teamwork, and a lot of duct tape. This high-speed adventure is packed with heart-pounding action, hilarious mishaps, and the ultimate test of friendship. Buckle up for a delightfully chaotic ride that proves winning is not nearly as important as the fun you have along the way.

Sometimes the greatest mysteries do not announce themselves with loud sirens or flashing lights. They just sit quietly on a woodland trail, waiting for someone to pay attention. Calvin only wanted a peaceful walk in the fresh air with his best friend, Pudge, a beagle with the most curious nose in the world. But their quiet afternoon takes a sharp turn when they stumble upon a strange stone covered in holes. Suddenly, rocks begin appearing in places they do not belong, old maps start revealing forgotten secrets, and the surrounding woods seem to whisper hidden messages. As Calvin and Pudge dig deeper into the puzzle, they realize that not every problem needs to be fixed. Some mysteries just need someone willing to understand them. This gently suspenseful adventure is a thoughtful journey into the heart of the woods. It is a story about curiosity, the responsibility of nature, and learning to listen to the quiet clues that most people walk right past.

Calvin never planned on saving the world. He just wanted to spend his summer exploring with his loyal beagle, Pudge, and their fearless friend, Sky. But a single step into the glowing, mysterious Mushroom Fields changes everything. The three friends suddenly find themselves pulled into a crumbling magical realm where the very fabric of reality is tearing apart. Shadowy forces are rising, magical anchors are failing, and a relentless enemy named Veynar is determined to destroy everything in his path. To save this strange new world, Calvin, Pudge, and Sky must embark on the most dangerous journey of their lives. They will have to navigate treacherous volcano summits, dodge living thorns in enchanted orchards, and cross shattered bridges that hang over nothingness. Along the way, they must face reflections that whisper their deepest fears. You will be completely hooked by this fast-paced adventure that proves true strength does not come from magic alone, but from standing together. Dive into a thrilling mystery packed with suspense, humor, and the unbreakable bond of friendship.

Some secrets are simply too powerful to stay buried in the dark. When Calvin and his beagle, Pudge, pry open a hidden crate in their basement, they uncover something that changes their lives forever. Inside rests Aegis, a mysterious and damaged robot with a glowing heart that was never supposed to be found. But Aegis is missing the pieces of his heart, and they have been scattered all across town. To make matters worse, a shadowy figure named Hartwell is hot on their trail, desperate to claim the robot's incredible power for his own sinister plans. Following a trail of clever riddles left behind by Calvin's late uncle, the boy and his dog must outsmart their terrifying pursuer. As fear spreads and the town begins to turn against them, Calvin learns that true courage is not the absence of fear, but the choice to stand by your friends no matter what. Join this thrilling adventure about loyalty, danger, and the ultimate power of choice.

One quiet night, the impossible happens right in Calvin's backyard. A set of glowing stairs appears out of nowhere, climbing straight up into the starry sky. With his fearless beagle, Pudge, right by his side, Calvin takes a deep breath and steps into the clouds. At the top of the stairs, they discover a breathtaking Cloud-Castle ruled by the majestic Sky Queen. But this beautiful sky world is in terrible danger. The mighty Storm Giants have forgotten their special song, and their restless anger is unleashing endless, destructive storms upon both the heavens and the earth below. Armed with nothing but clever thinking and the unshakable loyalty of a very determined dog, Calvin must face tricky riddles, high-speed races, and thunderous prisons to reach the heart of the storm. This soaring, magical adventure tests what it truly means to be brave. It is an uplifting tale of friendship that reminds us all how to stand steady even when the fiercest winds howl.

A foul stench is taking over Swamp Gas Alley, and it is definitely not natural. When Calvin and his loyal beagle, Pudge, decide to take a simple shortcut, they plunge headfirst into a bizarre mystery. The local frogs are organizing, bubbling swamps are following eerie patterns, and an unbearable smell is creeping toward town. Someone, or something, is orchestrating a massive amphibious uprising. Calvin and his canine best friend must trace the stench to its source before their entire town is overrun by a slimy, stinky takeover. Packed with clever clues, hilarious animal antics, and just the right amount of gross-out humor, this fast-paced middle-grade adventure will keep you guessing until the very end. Grab your nose plugs and get ready to uncover the truth behind the amphibious rebellion of the century. You will never look at a frog the same way again.

Look up at the night sky. Now imagine the constellations vanishing, one by one, into the dark. When Calvin realizes the stars are being stolen, he and his fearless beagle, Pudge, stumble into the most cosmic mystery of their lives. Following glowing bridges made of pure light, they cross into the seam between worlds where stars are living creatures and the moon itself is in danger of being caught in a net. A shadowy thief wearing a crescent mask is plotting to cage the entire heavens, and it is up to one boy and his dog to stop him. Armed with a magical compass and Pudge's incredible nose for trouble, Calvin must navigate past pirate fleets and shatter the thief's secrets before the sky goes dark forever. This high-stakes, heartwarming adventure will take you to the very edge of the universe. It is a thrilling reminder that courage does not depend on your size, and that true friendship can shine brighter than any star.

A towering thunderstorm, a hidden cliffside cave, and a hatching dragon egg are about to turn an ordinary day upside down. Adventure always seems to find Calvin and his faithful beagle, Pudge, but this time, the stakes are mythical. When the duo discovers a newborn dragon named Blaze, they quickly realize they are not the only ones looking for him. Ruthless hunters are closing in, and the sleepy town of Maplewood is suddenly revealing ancient secrets, from whistling tunnels to maps that rewrite themselves when you simply say please. With the help of Calvin's mother, this unlikely team must outsmart the pursuers and keep Blaze safe. Full of hidden doors, fierce loyalty, and suspenseful escapes, this heartwarming tale proves that courage comes in all sizes. Step into a world where magic hides in plain sight and friendship is the greatest power of all.

Almost every town has an old treehouse, but not every town has one that whispers back in the dark. When the clock strikes midnight, Calvin hears strange creaks and faint giggles drifting from the wooden hideout at the edge of town. Alongside his sharp-nosed beagle, Pudge, Calvin climbs up into the branches and discovers an impossible hidden world. Inside the magical treehouse, they find singing icicles, secret chambers, and ancient riddles carved directly into the bark. As they explore this bustling new realm, the duo must trade with mysterious market stalls and face ancient guardians who have watched over the town for centuries. But this incredible journey is more than just a puzzle to solve. It is a true test of patience, bravery, and the power of laughter in the face of the unknown. Dive into a heartwarming adventure full of magical artifacts and sneaky shadows, where every creaking floorboard holds a clue and friendship lights the way.

The briefcase is alive, dangerous, and it is listening. Calvin always believed his father, Kirk, was just a regular guy taking endless business trips. He was entirely wrong. Kirk is a Watchman, a secret government time traveler sworn to repair breaks in the fabric of time. But when his father vanishes, Calvin uncovers a terrifying reality: a trapped storm inside a briefcase that answers only to him. Thrust into a hidden war, Calvin is hunted by the Archivists, a ruthless group determined to bind every human life to a master ledger. Betrayed by the very father who kept him in the dark, Calvin realizes he is the Margin, the one unwritten choice that can rewrite fate itself. Tested by agonizing illusions and impossible decisions, he must figure out who he truly is before the storm is unleashed. Time is bending, secrets are burning, and the clock is running out in this gripping thriller.

Valentine's Day in Maplewood is usually filled with candy, cards, and endless smiles, but this year, a strange silence has settled over the town. Kindness is fading, colorful cards are vanishing into thin air, and classrooms are feeling unusually gloomy. While most people ignore the shift, Calvin and his highly perceptive beagle, Pudge, know that something is deeply wrong. As they investigate the disappearing cheer, the duo uncovers a mystery that goes far beyond stolen decorations. They realize that saving the holiday requires more than just recovering lost paper hearts; it is about finding the right words to share and understanding the power of empathy. This gentle, heartwarming mystery reminds readers that courage does not always require a grand adventure, and that even the smallest voices can heal a broken community. Join Calvin and Pudge as they discover that true kindness is the greatest rescue mission of all.