Nature Mysteries

The InvestiGators Audio Collection: Books 1 & 2 includes InvestiGators and InvestiGators: Take the Plunge.

In their next big adventure, S.U.I.T. headquarters is under attack, and Mango and Brash are going undercover and underground disguised as city sewer workers to unclog a sticky situation. But when their search for the criminal Crackerdile backfires, the toilets they travel through get blocked and the InvestiGators take the blame for it! Can Mango and Brash restore their good name and put the real culprit behind bars before the whole city is in deep water?

Hank's in double trouble! Hank conducts defensive maneuvers against an attacking silver monster bird. But the trouble really begins when Hank is stricken with a terrible case of "Eye-Croserosis". Can he find a cure? Will the mysterious Madame Moonshine be able to help him? Hank's job is at stake!

When Mia moves to Vermont the summer after seventh grade, she's recovering from the broken arm she got falling off a balance beam. And packed away in the moving boxes under her clothes and gymnastics trophies is a secret she'd rather forget. Mia's change in scenery brings day camp, new friends, and time with her beloved grandmother. But Gram is convinced someone is trying to destroy her cricket farm. Is it sabotage or is Gram's thinking impaired from the stroke she suffered months ago?

King, Kayla, and Grandma find a dog who has lost his human family. What does Kayla know? This dog doesn't have a collar or any tags. He can sit, lie down, and shake hands. No one around here knows who he is. What does King know? The dog's family is staying at a campground. Can they figure out who he is and where his family is?

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?

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.

Chipper is a very special dog. He's part of a multi-million dollar experiment at a secret organization known only as The Institute. The Institute has been experimenting with dogs, melding them with state-of-the-art computer technology. But there's a problem with Chipper. His natural dog instincts often overrule his computer side. No matter what he's doing, if he sees a squirrel or a mouse, he'll drop everything to chase it.

When someone you love goes to jail, you might feel lost, scared, and even mad. What do you do? No matter who your loved one is, this story can help you through the tough times.

Avoided by the Coast Salish tribes for generations, Hurst Island is one of the last remnants of untracked wilderness on the British Columbia coastal frontier. Not yet overtaken by logging or commercial fishing, it is a final outpost where myth lives on, heedless of human progress or desire. As their boat sinks, Amy and Ian find themselves stranded on this island, unaware of what they are about to face.

The Chicken Squad is back for its sixth (mis)adventure, and this time, there's a headless bear on the loose, and the Chicken Squad's beloved Barbara has gone missing!

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.

A shipment of dinosaur bones meant for a new exhibit has been stolen from the Capitol City Natural History Museum! But even worse, the group of paleontologists working on the shipment has disappeared, too - and among them is Wilson Kipper’s mother. Wilson and his friends are determined to get to the bottom of the mystery, but can they do it in time to save his missing mom?

Tricked-up pickup! Hank the Cowdog is about to go on the ride of his life! When the old pickup truck breaks down, Slim ends up with a brand-new model on loan while the old one gets fixed. But Hank is used to the simple life on the ranch and doesn't know what to do when faced with power windows and door locks.

Sixteen of America's favorite author-anglers spin tales of mystery and fishing in this collection. From the tragic to the comic with many stops in between, these stories reflect the authors' passions for both making stories and catching fish. Michael Connelly, Ridley Pearson, John Lescroart, Don Winslow, Melodie Johnson Howe, Victoria Houston, and others all share a mysterious affection for things piscatorial when not busy writing best-selling books.

When the Aldens first arrive in Elbow Bend, they meet Kate Frances, who tells them all sorts of ghost stories about the town! The scariest tale is about a ghost dog who howls at midnight and appears to warn people of danger! The Aldens think it is just a story until they hear dogs all over Elbow Bend howling at midnight. Does the ghost dog really exist or is someone playing a trick on them? The Boxcar Children are determined to find out.

When Naomi gets a tip about a strange snake sighting in the neighborhood, she knows it’s a job for her snake-saving club. Naomi, Nolan, and Emma go to investigate and get a huge surprise. The snake isn’t a native Texas species—it’s a ball python! Did someone dump an unwanted pet, or did this snake somehow get lost?

Lara Williams is desperate to get away. When she gets a job working aboard the luxury train The Banebury for her gap year, she knows: this is her chance to reinvent herself, after the incident that wrecked her relationships and her college prospects several months ago. At first, the train is everything Lara expected—a five-star escape from her past, demanding customers and all. Even after she learns that her ex-friend, Rhys, who she definitely did not have feelings for before their relationship imploded, is one of her new coworkers, she's determined to make things work.

It's all fun and games until somebody ends up in the pound. It's been a busy few days for the Head of Ranch Security, what with routine patrols and not-so-routine combat with headless monsters. When the dust settles, Hank decides to take a break from duty and visit his sister in town.

When Sally May and Loper head out of town for a wedding, Hank the Cowdog, Head of Ranch Security, knows it's up to him to keep things under control. After subjecting strawberry ice cream to rigorous product testing, test-driving a mysterious spaceship, and thwarting a sneak attack from a couch monster, Hank faces the fight of his life.