Nature Mysteries

Learn how fossils teach us about dinosaurs.

UN ROMAN CHOC, PERTURBANT ET TOUT À FAIT POLITIQUEMENT INCORRECT. Son fils a été assassiné. Mais il n'y a pas qu'un seul meurtrier. Ils sont des milliers... et les victimes sont des millions. Pour prouver à tous la menace qui pèse sur l'humanité, il sera forcé de tuer à son tour.

Danger lurks in the shadows and desire shimmers in the sultry heat as leopard shifter Drake Donovan is sent to a Louisiana bayou to investigate a murder. He's ready for anything except the insatiable hunger that rocks him when he meets Saria Boudreaux, a woman with a compelling motive-and...

Bowser is a dog detective on the loose, paired with an 11-year-old girl, Birdie. Bowser and Birdie live on the Louisiana coast with Birdie's Grammy. When a prize stuffed marlin is stolen from Grammy's bait and tackle shop, Birdie and Bowser decide to take on the case. But what looks like a straightforward break-in soon becomes as tangled as a tourist's fishing line.

In 1991, acting on a tip from a local fisherman, two scuba divers discovered a sunken German U-boat–complete with its crew of 60 men–not too far off the New Jersey coast. The divers, realizing the momentousness of their discovery, began probing the mystery. Over the next six years, they...

It's winter in the Texas Panhandle, and the ranch is covered in snow and ice. So when Sally May sets off for town, Hank decides to follow Pete the Barncat's advice and bravely escorts her car down the slick road. Before Hank realizes what's happening, Sally May's car skids into a snowdrift - and she is angrier than ever!

Honey Santana–impassioned, willful, possibly bipolar, self-proclaimed “queen of lost causes”–has a scheme to help rid the world of irresponsibility, indifference, and dinnertime sales calls. She’s taking rude, gullible Relentless, Inc., telemarketer Boyd Shreave and his...

Alec Milius is young, smart, and ambitious. He also has a talent for deception. He is working in a dead-end job when a chance encounter leads him to MI6, the elite British Secret Intelligence Service, handing him an opportunity to play center stage in a dangerous game of espionage.

Cattle call. A gang of marauding dogs is threatening the calf population on the ranch, and Hank knows that it's up to the Head of Ranch Security to do something about it. But instead of being outside where he can fight off the fiends, Hank is trapped inside - at the mercy of Slim and his dreaded vampire sweeper!

Hank is in real trouble this time. Loper and Sally May's relatives are coming for Christmas dinner, and Sally May has been working to get the entire ranch in order - including preparing for the Christmas feast. Unfortunately, when she discovers that the turkey she bought has met a terrible end, she pins the blame on Hank! Is he the guilty party, or have more sinister forces been at work to frame him for the crime?

Do crocodiles really cry? Why do fireflies glow in the dark? What is the rhino’s horn made of? Why does the hare eat its own droppings? Collaborate with authors Arefa and Raza H. Tehsin on their mission as wildlife detectives to find out what really happens out in the wild, and why animals behave the way they do.

Hank and Drover have just hitched an accidental ride into town in the back of Slim's pickup, and boy, are they excited! But the excitement turns to drama when Drover mysteriously disappears! Can Hank track down his faithful sidekick before it's time for Slim to head back to the ranch? Or is he off on a wild goose chase?

When a fellow passenger is found dead on Audrey's packet ship from France, a mysterious note on the body points to her as the killer. Detained in Dover for an inquest that is being led by a prejudiced magistrate, she is joined by trusted friends and family—and the newly minted viscount, Hugh Marsden—to prove her innocence. But when it's discovered the murdered man was a private inquiry agent, hired to follow the duchess while she traveled the Continent, they enter a race to find out who hired him and why.

What’s Mac B.'s newest top-secret mission? Travel to Iceland and retrieve the ravens that were stolen from the Tower of London...before Britain is ruined. In Iceland, he discovers secret submarines, hungry polar bears, mysterious blueprints...and his old archnemesis! Is the KGB man behind this birdnapping? Can Mac get the ravens to safety? It's time for an epic top-secret smackdown between these two secret agents!

In this inspiring manifesto, an internationally renowned ecologist makes a clear case for why protecting nature is our best health insurance, and why it makes economic sense.

When Hank is attacked by a Headless Cowboy, he knows it's going to be a tough day defending the ranch! But when Slim discovers Sally May's watermelon patch has been raided by raccoons, things get serious. Slim, Drover, and Hank are entrusted with the job of a nighttime stakeout to catch the raccoons in the act. Will Hank save the day? Or will busted watermelons prove Hank is a bust as the Head of Ranch Security?

Cat ranch or cattle ranch? Hank the Cowdog doesn't like cats. Not one bit. So when a mother cat and her kittens take up residence in the haystack, he does all he can to get them to leave. But they've got nowhere to go. Unfortunately, neither does the gigantic bull who has knocked down the fence - and is headed right for the haystack! Hank knows that it's up to him to run that bull off and keep the ranch safe for everyone...even if that includes a bunch of cats.

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.

Seventeen-year-old Jean has cerebral palsy and gets around in a wheelchair, but she’s always believed she’s just the same as everyone else. She goes to normal school and has normal friends. She’s never really known another disabled person before she arrives at Camp Courage. But there Jean...

In The Case of the Crown Jewels, when the crown jewels go missing from Kennel Palace, it's up to super-sleuth Sherlock Bones and Dr. Catson to solve the crime. But with multiple suspects and a trail that's starting to run cold, will they be able to catch the culprit in time? In The Mystery of the Vanishing Magician, when a famous magician vanishes from a train bound to Paris, Catson is convinced of foul play… but none of the other passengers seem to know anything about the magician. Was he on the train at all?