Nature Mysteries

Catalina "Cat" Duran and her friends thought they were on a field trip to see the seals at the aquarium. So why has the seal show been cancelled?

Humphrey has always investigated things, like why Speak-Up-Sayeh was so quiet and Tall-Paul and Small-Paul didn't get along, but this is a true mystery - Mrs. Brisbane is missing! She just didn't show up in Room 26 one morning and no one told Humphrey why. The class has a substitute teacher, called Mr. E., but he's no Mrs. Brisbane.

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.

Love doesn't come easy. Duped by Drover, mocked by Pete the Barncat, and busted yet again by Sally May, the Head of Ranch Security decides it's time for a break from the grueling daily grind. Heading into the wild outback, Hank goes in search of his true love, the charming Miss Beulah.

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.

Help solve the mystery with the detective dog, set sail on an exciting adventure in the flying bath and cook up a feast for a very fussy king! This collection includes stories from four of Julia's illustrator partnerships: David Roberts, Sara Ogilvie, Catherine Rayner and Rebecca Cobb.

Blue River Creek has a problem: there's a pet thief on the loose! Or at least, Sofia and Iggy are convinced that there is, once their pets go missing. But as a scientist, Ada knows it's important not to jump to conclusions and to follow the facts. How will they find out what really happened to the town's pets? By using the Scientific Method, of course! Through making a hypothesis, collecting data, and experimentation, the Questioneers must find the missing animals before even more pets disappear!

When those two enthusiastic fishermen, Djuna and his friend, Tommy, are offered a chance to spend the summer at fish-filled Silver Lake as the guests of Miss Annie Ellery, they are overjoyed. But great as the fishing proves to be, there is more in store: Silver Lake holds a mystery, and the boys find themselves swept up in a series of exciting and dangerous adventures, including an abandoned icehouse and two fires, as they help to solve it.

When my old friend Professor von Volt called to ask for help, I agreed immediately, even though it meant trekking halfway around the world to Mouse Everest! The trip was long and dangerous. I almost froze my tail off along the way. And then I was kidnapped by a yeti! Yes, it was truly an amazing adventure.

Dink, Josh, and Ruth Rose are excited to see Uncle Warren's new racehorse, Whirlaway, in action. But the night before the big race, the horse disappears! Can the kids figure it out or is Whirlaway out of the winner's circle for good?

When a dog training school opens in Greenfield, the Boxcar Children bring Watch in to learn some new tricks! But at the very first class, a Dalmatian goes missing—did the dog run away, or was he stolen? And when a second dog vanishes at the next class, it’s clear that the Aldens have a dog-gone mystery to solve!

Welcome back to the charming Goat House Market in Dogwood Dale, North Carolina, where the scent of fresh bread and blooming flowers mingle with the whisper of local legends. This time, soapmaker Beatrice Thistle finds her curiosity piqued by talk of a philosopher's stone—not one of gold, but of wisdom. When a troubled young man seeks guidance, cryptic clues begin to surface, and Bea embarks on a gentle quest through Dogwood Dale's history and the wisdom of the natural world. With the help of the market's intriguing herbalist, Juniper, and the cryptic recollections of the town's historian,...

On a tip from Pete the Barncat, Hank the Cowdog and his faithful second-in-command, Drover, go in search of the fabled pot of chicken at the end of the rainbow. But before they can find it, Rip and Snort find them. There's only one way out - Hank challenges the coyote brothers to the Deadly Ha-Ha Game.

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.

Junior is loving his life with the Khatchadorian family. But his idyllic life soon turns to terror when a mysterious individual begins to make trouble in the neighborhood. It starts with a mysterious howling in the night. And when Junior's pooch pals realize their favorite toys are missing, things get serious. Junior thinks he knows what is happening. He's heard of a mysterious creature called the Howly Wiener that visits town once a year and fills the street with monsters.

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!

All ancient and indigenous peoples insisted their knowledge of plant medicines came from the plants themselves and not through trial-and-error experimentation. Less well known is that many Western peoples made this same assertion. There are, in fact, two modes of cognition available to all human beings - the brain-based linear and the heart-based holistic. The heart-centered mode of perception can be exceptionally accurate and detailed....

One day in the park, the Aldens’ dog, Watch, comes across a mysterious box with a note inside. “Congratulations!” the note says. “You’ve found it!” The box is part of a game called Geocaching. Soon, Henry, Jessie, Violet, and Benny are searching all over town for hidden boxes and making friends with other kids in the geocaching club. But is one of the club members a thief?

The world’s shark population is in trouble for a sad, simple reason: shark fin soup. And although it’s illegal, poachers have been targeting Florida’s biannual migration of blacktip sharks. Marine biologist Doc Ford needs some assistance protecting the sharks and enlists the help of three kids - Luke, Maribel, and Sabina. Luke is brand-new to Florida from the Midwest; sisters Maribel and Sabina have only recently arrived from Cuba - and all three feel like fish out of water. It’s going to take some convincing for them to work as a team.

Of all the creatures of the deep blue, none is as captivating as the octopus. In Many Things Under a Rock, marine biologist David Scheel investigates four major mysteries about these elusive beings. How can we study an animal with perfect camouflage and secretive habitats? How does a soft and boneless creature defeat sharks and eels, while thriving as a predator of the most heavily armored animals in the sea? How do octopus bodies work? And how does a solitary animal form friendships, entice mates, and outwit rivals?