Nature Mysteries

Did you know there are over 400 different species of sharks? Did you know they have been on Earth much longer than humans, and even lived before the dinosaurs? Here you'll learn all about these fearsome kings of the ocean, including their eating habits and the basics of their anatomy. Sharks come in many sizes, from under a foot long to over 40 feet - and that's not even counting the long-extinct, 60-foot-long Megalodon shark. And while some have been known to bite people, they are usually quite content to hunt other sea creatures.

It's time for the alpaca costume contest, and Abigail "Abbi" Wallace is excited to see it at the Maine State Fair. But there’s only one alpaca left—the rest are missing! What sent the alpacas packing? Abbi; her dog, Barkley; and her friends Lydia and Daniel are ready to sniff out this mystery!

No sooner has Sally May finished planting her vegetable garden when some kind of unearthly being decides to burrow in the neatly planted rows of tomatoes and peppers. It looks like a job for the Head of Ranch Security, so Hank sets straight to work trying to dig the space monster robot out of its hole.

There's a burglar on the loose, and he's robbing houses with the help of a supersneaky, super-stinky, secret weapon. When this character comes sniffing around Slim's bachelor shack, Hank the Cowdog heads right into action. But does Hank have what it takes to save the day even after getting caught in the spray of some very unsavory artillery?

The monumental statues of Easter Island, both so magisterial and so forlorn, gazing out in their imposing rows over the island’s barren landscape, have been the source of great mystery ever since the island was first discovered by Europeans on Easter Sunday 1722. How could the ancient people who inhabited this tiny speck of land, the most remote in the vast expanse of the Pacific islands, have built such monumental works?

The Wundermutt dog food company is searching for a very special dog to be in their commercials, and the Aldens bring their dog, Watch, to the tryouts! But plenty of other dog owners are hoping their dogs get the job too - including a dog that's already famous. Does Watch have what it takes to be a star?

I gasped in horror. Would it be my friend's dreadful fate to perish in the swirling torrent below? "Take care! Take care!" I shouted. But my worst fears were realized. Ratigan went over the edge, dragging the detective with him!

It all starts with Hank the puppy enjoying his family's backyard home. Feathers start to fly when Hank defends his backyard against invading...phantom ducks? Hank's mother says it's a good time for him to go out on his own before the dogcatcher arrives. So Hank makes his way to the Twitchell Livestock Auction. Will he join up with Slim, the cowboy he meets there? Or will the dogcatcher provide his new home?

Hardly a day goes by when nine-year-old Laurent Lepage doesn't cry wolf. His boundless sense of adventure and vivid imagination mean he has a tendency to concoct stories so extraordinary and so far-fetched that no one can possibly believe him. But when Laurent disappears, former Chief Inspector Armand Gamache is faced with the possibility that one of his tall tales might have been true. So begins a frantic search for the boy and the truth.

A girl emerges from the woods, starved, ill, and alone...and collapses. Suzanne Blakemore hurtles along the Blue Ridge Parkway, away from her overscheduled and completely normal life, and encounters the girl. As Suzanne rushes her to the hospital, she never imagines how the encounter will change her - a change she both fears and desperately needs. Suzanne has the perfect house, a successful husband, and a thriving family.

In this hilarious chapter book mystery, meet a girl whose parents have been kidnapped by disreputable foxes, and a pair of detectives that also happen to be bunnies! When Madeline gets home from school one afternoon to discover that her parents have gone missing, she sets off to find them. So begins a once-in-a-lifetime adventure involving a cast of quirky and unforgettable characters.

When Kristen Stevenson and her husband, Brett, travel to Northern Minnesota for Brett’s family reunion they are excited to spend a fun-filled weekend exploring Lake Superior’s gorgeous North Shore in between family gatherings. But plans go awry when the black sheep of the family crashes the reunion, only to turn up dead the next day. Kristen wonders if his death was accidental or if it was a result of foul play. Either way, something smells fishy in the greatest of lakes. Escape to the Northwoods and experience breathtaking views as Kristen and Brett work to solve the mystery while they...

Thar she blows! Dink, Josh, and Ruth Rose are on an Alaskan whale watching adventure. On their first day, they see a mother orca and her calf. But the next day, the baby orca is missing! The calf needs its mother’s milk. Can the kids solve this whale of a mystery?

The ranch is in the grip of a sweltering summer heat wave, and to make matters worse, Bruiser the Rottweiler is on the loose. First Bruiser attacks a defenseless fawn, then he threatens to come after Hank the Cowdog, the Head of Ranch Security!

To cheat or not to cheat? That is just one of the questions to be answered on the ranch! While interrogating J. T. Cluck, will Hank be able to figure out what scary creatures are planning an attack on the ranch? After Hank lures Pete the Barncat into making a foolish bet for scraps, would Pete try to cheat the Head of Ranch Security? Will truth and justice win in the end?

Marlborough House is the home of Edward, the Prince of Wales (second child and eldest son of Queen Victoria). He lives there with various children and family members. Unbeknownst to the human royals, there is a corresponding clan of noblemice living there as well. At the moment, the human royal family is hosting the visiting royal family of Bohemia, along with that family’s corresponding group of stowaway noblemice. However, the teen noblemice of both houses have vanished without a trace, and everyone fears that one of the royal dogs may be responsible. Can Basil help?

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!

Now that Snip the cat is gone (but hardly forgotten), the classroom animals of the Midnight Academy are ready for things to get back to normal at the McKenna School. After all, protecting nutters (students) and lankies (teachers) is an around-the-clock job! When a rare coin and a strange code are uncovered in the school, Malcolm and the academy have another mystery on their hands.

Theodosia Throckmorton has her hands full at the Museum of Legends and Antiquities in London. Her father may be head curator, but it is Theoand only Theowho is able to see all the black magic and ancient curses that still cling to the artifacts in the museum. Sneaking behind her fathers back, Theo uses old, nearly forgotten Egyptian magic to remove the curses and protect her father and the rest of the museum employees from the ancient, sinister forces that lurk in the museums dark hallways.

An extraordinary children's introduction to the world of trees above and below ground. Learn about the amazing natural science of trees in this nature and science children's book. From the highest branch and leaf down to the complex "wood wide web" of roots in the soil, every part of a tree plays an important role in its own growth and the habitat of the whole forest or woodland.