Nature Mysteries

When Cam and Eric go on a field trip to the museum with their fifth grade class, Cam - with her photographic memory - makes an interesting discovery: dinosaur bones are missing from one of the exhibits. When no one believes them, they decide to catch the thieves themselves. As they stake out the library, a mysterious milk truck stops by. Cam knows something is wrong. The logo on the truck does not match the logo on the milk carton they drank from at lunch. The game is afoot! Will they find the missing dinosaur bones when they follow the truck to a neighborhood house?

In 1914, Harry Colebourn, a veterinarian on his way to tend horses in World War I, followed his heart and rescued a baby bear. He named her Winnie, after his hometown of Winnipeg, and he took the bear to war. Harry Colebourn's real-life great-granddaughter tells the true story of a remarkable friendship and an even more remarkable journey - from the fields of Canada to a convoy across the ocean to an army base in England...and finally to the London Zoo, where Winnie made another new friend: a real boy named Christopher Robin.

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?

The Chicken Squad is back for their fourth (mis)adventure, and this time they're facing their darkest mystery yet: shadows!

When five colleagues are forced to go on a corporate retreat in the wilderness, they reluctantly pick up their backpacks and start walking down the muddy path. But one of the women doesn’t come out of the woods. And each of her companions tells a slightly different story about what happened. Federal Police Agent Aaron Falk has a keen interest in the whereabouts of the missing hiker. In an investigation that takes him deep into isolated forest, Falk discovers secrets lurking in the mountains, and a tangled web of personal and professional friendship, suspicion, and betrayal among the hikers.

Each story in this popular and critically acclaimed series has been read by the talented actor, Victor Garber. Now fans who can't get enough of the vampire bunny, Bunnicula, will have something new to add to their collection.

Ra the Mighty is Pharaoh's Cat, Lord of the Powerful Paw. He is not Ra the Royal Babysitter. How's a cat supposed to fit in all his snacks and naps when his charges keep getting into mischief? Ra's new job only gets harder on a voyage up the Nile, leading to a fearsome palace where crocodiles swarm the waters. Then Pharaoh's son disappears. Has he run away? Has he been eaten by crocodiles? Has he been kidnapped, or worse? Ra and his fellow Great Detectives, Khepri and Miu, set out to discover the truth, but the palace is home to many secrets.

Get up close and personal with an amazing creature that has invaded our lexicon as well as our restaurants. It breathes with tubes, it has no head or brain, it feeds through a filter, and it is the source of dozens of familiar proverbs ("happy as a clam!"). Clams, it turns out, have been worshipped (by the Moche people of ancient Peru), used as money (by the Algonquin Indians), and consumed by people for thousands of years.

Magic is in full bloom… but so is murder. Celeste Nightingale’s flower shop, Starlight Blossoms, is known for crafting enchanted bouquets that soothe hearts and stir fate. But after her dear friend Alistair Fenwick is found dead, she places a magical glowing moonlace flower in his memorial bouquet. It stops glowing. This is a sign of deception. Celeste knows something is amiss. With the reluctant help of botanist Nathaniel Ashford, two ghostly assistants, and a pair of clever Siamese cats, Celeste sets out to unravel the mystery. Who tampered with Alistair’s final bouquet? What secret...

A lovable dog helps his human girl solve a mystery. King and Kayla are playing fetch with their friends, Jillian and Thor. Jillian throws King’s favorite ball too hard, and now it’s gone missing! King and Kayla must put together the clues to figure out where it went - and who has it.

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!

Capitol City's Natural History Museum is haunted—or at least that's what someone wants people to think. But Wilson Kipper, son of the museum's head paleontologist, knows better. When the mysterious occurrences go from spooky to dangerous, the museum is forced to close its doors. Can Wilson and his friends get to the bottom of things, or will the Natural History Museum be closed for good?

The Boxcar Children are spending their vacation on a farm. They learn to do everything from milking cows and making homemade jam to raising a barn. Then one day they spot a beautiful horse locked up in a stable. Who is the mystery horse? And why is it hidden?

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.

A lovable dog helps his human girl solve a mystery. Kayla made peanut butter treats for Jillian's new puppy, Thor. But now the treats are missing. What does Kayla know? There are three treats missing. King was in the kitchen. King's breath doesn't smell like peanut butter. What does King know? There's an intruder in the house. How will they solve the mystery?

Cam Jansen has a special talent. Whenever she closes her eyes and says "click", she can call up a perfect picture in her mind of anything she has ever seen. This is very useful when she plays Geography with her best friend Eric - and also when she’s solving mysteries. When Cam and her family meet Aunt Molly at the Royal Hotel, the last thing they have planned for their day is a mystery. But then they meet Mrs. Wright, who gave her luggage and her cat to a bellhop while she checked in, but now can’t find them. Can Cam’s photographic memory help solve the mystery?

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?

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

A lovable dog helps his human girl solve a mystery. Kayla lost a tooth, but now it's missing! What does Kayla know? Her tooth is not inside the tooth fairy pillow. It's not inside her backpack. It's not inside the car. What does King know? Mason's hand smells like the tooth fairy pillow. How will they solve the mystery?

W. H. Beck's highly anticipated debut promises to delight young listeners with an imaginative tale about a rat who refuses to be judged by his appearance. Malcolm the rat loves the attention he gets as a pet at McKenna School. That' s where he meets the Midnight Academy, a secret society of classroom pets who've pledged to keep the students safe. The trouble is, rats have a bad reputation, so when their iguana leader is kidnapped, the Academy suspects Malcolm.