Nature Mysteries

Who is Geronimo Stilton? That's me! I run a newspaper, but my true passion is writing adventure stories. Here in New Mouse City, the capital of Mouse Island, my books are all best sellers! My stories are funny, fa-mouse-ly funny. They are whisker-licking-good tales, and that's a promise.

Samantha Moon figured her daughter's birthday would be nice and normal, not usher in a magical apocalypse. Amid the frequent chaos in her life, Sam has learned to take comfort in the boring moments. She's one of the few people who doesn't mind a long day in the office. So when Paxton's fourteenth birthday rolled around, she expected it would be cute, innocent and full of unicorn-themed stuff. An actual unicorn, though? Not so much. What's an immortal psychic vampire to do when a creature of fable decides to crash in their backyard? Sam has no idea. However, it soon becomes apparent that the...

Join the legion of fans who have made Erin Hunter’s Warriors series a bestselling phenomenon. More thrilling adventures, epic action, and fierce warrior cats await in Warriors #5: A Dangerous Path.

With their Very Exciting Spy Technology and their tried-and-true, toilet-based travel techniques, the InvestiGators are undercover and on the case! And on their first mission together, they have not one but two mysteries to solve! Can Mango and Brash uncover the clues, crack their cases, and corral the crooks—or will the criminals wriggle out of their grasp?

Can you SPOT the mystery? Dink, Josh, and Ruth Rose are visiting the San Diego Zoo. When a rare amur leopard goes missing, everyone is a suspect! Can these expert clue hunters find out how the leopard got loose?

When a mysterious little free library (guarded by a large orange cat) appears overnight in the small town of Martinville, eleven-year-old Evan plucks two weathered books from its shelves, never suspecting that his life is about to change. Evan and his best friend Rafe quickly discover a link between one of the old books and a long-ago event that none of the grown-ups want to talk about. The two boys start asking questions whose answers will transform not only their own futures, but the town itself.

King, Kayla, Mason, and Asia are playing in the snow. Later, Asia discovers her new gold ring is missing. What happened to it? What does Kayla know? 1. Asia’s ring is missing. 2. It was on her finger when she came over. 3. It’s not in the cushions, on the table, in the drain, or outside. What does King know? There’s a crow outside. Crows like shiny things. How will they solve the mystery?

When the Aldens hear that Mr. Wood's cat Spotzie is missing, they immediately help out by putting up "LOST CAT" posters and going door-to-door with a photograph of the cat. But along the way, they meet some strange characters, receive frightening phone calls, and even find a cat that looks just like Spotzie - but is it? It seems that the more they search, the more mysterious the mystery becomes!

There's been a brutal murder on the ranch, and it's up to Hank the Cowdog, Head of Ranch Security, to conduct the investigation. The only problem is no one's talking. After a dangerous fact-finding mission, Hank thinks he knows who the guilty party is.

The Aldens are helping out at the Greenfield Ice Cream Barn. They are learning to make ice cream and creating some new flavors. But they soon notice that the ice cream isn’t the only thing getting mixed up at the Ice Cream Barn. It appears that someone wants to shut the shop down! Can the Boxcar Children sort out this sticky mess before the Ice Cream Barn gets licked?

A hundred-year mystery lured veteran climber Mark Synnott into an unlikely expedition up Mount Everest during the spring 2019 season that came to be known as “the Year Everest Broke”. What he found was a gripping human story of impassioned characters from around the globe and a mountain that will consume your soul - and your life - if you let it.

Lost: one little boy. When Little Alfred runs away from home and winds up in the Dark Unchanted Forest being trailed by a bobcat, Hank the Cowdog knows that it's up to him to save his young master. So, mustering up all the courage that a Head of Ranch Security can come up with, he bravely makes his way into the forest.

Everyone loves Drover, Hank's trusty sidekick. But have you ever wondered what the little, white, stub-tailed dog's life was like before he came to the ranch? Well, it's all here, in Drover's own words. Scratching his story out in the dirt on the machine shed floor, Drover comes clean about his secret life--from his early days as runt of the litter, to his frustrating search for a job, to his ultimate position as Hank's right-paw man.

A lovable dog helps his human girl solve a mystery. Thor has been accused of wrecking Mr. Gary’s yard, knocking over trash cans, eating the vegetables out of the garden, and pooping. But King and Kayla, with the help of some other neighbors, are determined to clear his name, using a wide variety of familiar and new detecting skills. With simple, straightforward language and great verbal and visual humor, the King & Kayla series from Geisel Honor Award-winning team Dori Hillestad Butler and Nancy Meyers is perfect for newly independent readers.

When Josh discovers a nest of young falcons in the forest, he, Dink, and Ruth Rose start visiting every day. But in the morning they find it empty! The kids discover a wounded falcon with its wing feathers clipped, and they know someone's up to no good. Can they figure out what's going on before it's too late to save the falcons?

Jay Gardiner has given himself a fool’s errand—to find the remains of his deceased father in the Pacific Ocean off the coast of Monastery Beach. He knows it’s a long shot, but Jay feels it’s the only way for him to lift the weight of guilt he has carried since his dad’s death by suicide the previous year.

A lovable dog helps his human girl solve a mystery. Kayla and Mason both got mysterious letters, written in code. What does Kayla know? The same person left both letters. It's someone she and Mason both know. The two letters are the same, except for the second word. What does King know? Jillian left the letters. What do the letters say?

When a remote camera on a large, rugged expanse held by the Land Trust for Wildlife Conservation picks up a blurry image of what could be a mountain caribou, they contact Alex Carter to investigate. After all, mountain caribou went extinct in the contiguous U.S. years ago, and if one has wandered down from Canada, it’s monumental.

Hank the Cowdog is in hot water with Sally May--again! But, before Hank has a chance to convince her how sorry he is, he learns the ranch is being targeted for a major invasion from his arch-enemies the coyotes. Does Hank have what it takes to save his reputation, protect the ranch, and make things right with Sally May? Hank sings about his dog food in "Eating Doesn't Have to Be Fun", and Hank stops in his tracks when he hears "The Coyote Chicken Chant".

The Stage of Time will bring you through an adventurous exploration into understanding the secrets of consciousness, ancient history, and the nature of reality. Be prepared to question the world you live in and everything you thought you knew about the universe, human origins, and the lost civilizations of antiquity. Discover thought-bending evidence from some of the oldest texts ever written and learn the reasons why their contents eventually became suppressed and hidden from most of society. Conspiracy theories or conspiracy facts, you decide what's real based on the evidence.