Nature Mysteries

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!

Jonathon Jones and his friends are Interplanetary Private Investigators. Together, they solve every crime under the sun! When a prize show dog is kidnapped from Mercury’s Dog Star Kennel, these young detectives must work together to solve the mystery. Was it the dog’s owner? The trainer? The competition? Follow along and find out!

No self-respecting Head of Ranch Security would be caught dead sleeping on the job...so when Slim catches Hank asleep, not once but TWICE, Hank knows something sinister is afoot. And, if that's the case, then odds are that Pete the Barncat is involved. Later that day, the case takes an interesting twist when Hank learns that Pete has been missing for two days! Worried about her precious kitty, Sally May asks Slim and Hank to find and rescue Pete from whatever trouble he might’ve found himself in.

Tiger Moth works to solve the mystery of the unusual messages tucked inside the fortune cookies.

Tiger Moth's class visits a dung beetle ranch, but the beetles are missing! Can Tiger find them, or will he face a dark and stinky evil?

Baker Street mice - beware! So far the twins are safe. They'll stay that way if you do what we say. We've decided to make your Baker Street cellar the headquarters for our gang. Everybody must be out in 48 hours. It's Basil's job to move you all out, just the way he moved you in. Better make it fast! And leave the furniture - we need it. This is the only warning you'll get. And listen - if you don't follow our orders, you'll never set eyes on those twins again!

In this compelling narrative, O'Connor seeks out neuroscientists, anthropologists and master navigators to understand how navigation ultimately gave us our humanity. Biologists have been trying to solve the mystery of how organisms have the ability to migrate and orient with such precision - especially since our own adventurous ancestors spread across the world without maps or instruments. O'Connor goes to the Arctic, the Australian bush and the South Pacific to talk to masters of their environment who seek to preserve their traditions at a time when anyone can use a GPS to navigate.

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!

Underneath the steps leading down to Eric's basement is a hidden storage place. It's dusty and old, nothing special at all. But when Eric, Julie, and Neal all huddle inside the gray room together, something unbelievable happens. A glittering light and then a rainbow-colored staircase appear. As the kids take their very first step down into the mysterious land of Droon, they know that only magic and adventure await them!

Just when the perfect mystery arises, Simone goes missing. This sounds like a job for Tabitha the Undercover Moth!

When Josh discovers a nest of young falcons in the forest, he, Dink, and Ruth Rose start visiting every day. But in the morning they find it empty! The kids discover a wounded falcon with its wing feathers clipped, and they know someone's up to no good. Can they figure out what's going on before it's too late to save the falcons?

Life innovates constantly, producing perfectly adapted species—but there's a catch. Many animals and plants eke out seemingly unremarkable lives. Passive, constrained, modest, threatened. Then, in a blink of evolutionary time, they flourish spectacularly. Once we start to look, these 'sleeping beauties' crop up everywhere. But why? Looking at the book of life, from apex predators to keystone crops, and informed by his own cutting-edge experiments, renowned scientist Andreas Wagner demonstrates that innovations can come frequently and cheaply to nature, well before they are needed.

Judy Moody is in a mood. A sleuthing, Nancy Drew kind of mood. So what’s a WBMS (world’s best mystery solver) to do? Go find a mystery, that’s what! And she doesn’t have to snoop for long: when Mr. Chips, a beloved crime-dog-in-training, goes missing, Judy Drewdy and her chums, agents Dills Pickle (Frank), Spuds Houdini (Rocky), and James Madagascar (Stink) find themselves smack-dab in the middle of a real-life, scare-your-pants-off whodunit. Was Mr. Chips stolen by dirty dognappers? And why are chocolate-chip cookies disappearing all over town?

In Robo-Dodo Rumble, Koko Dodo's cookie shop is facing some stiff competition from an evil robotic dodo (a Robo Dodo). The Robo Dodo is selling its cookies for only a penny! Why? To put Koko's shop out of business! And if that weren't bad enough, a giant sea monster starts destroying the town! But don't worry. Didi Dodo has a daring plan.

The Boxcar Children are going to a dog show. They meet all kinds of dogs, from a spotted Dalmatian to a big, hairy sheepdog. But then strange things start happening at the dog show, and no one knows why. Can the children solve the mystery and save the day?

It's a dark day for Hank the Cowdog. First, Loper invites Hank's archenemy, Plato the Bird Dog, over for some quail hunting on the ranch. Then Beulah, the collie of Hank's dreams, snubs him in favor of watching Plato in action. But when Beulah finds herself caught in the clutches of a ruthless cannibal, Hank knows there's only one dog tough enough to save her...and it isn't a bird dog.

It Came From Beneath the Bed is another fantastic audiobook featuring Bunnicula and his crazy friends in James Howe's beloved Bunnicula series.

In Nerdy Babies: Ocean, follow our intrepid infants into the watery depths. Check out animals, plants, and fish that live in the ocean. Plus, learn about the unique ecosystem in this simple text written in question-and-answer format.

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?

The neck from the Thanksgiving turkey is missing! Amy is the detective on the scene. As a detective, she questions each of her family members and looks for evidence in order to solve the mystery. Who did it and will the case be solved before Thanksgiving dinner is to be served? Will Amy save the family holiday?