Nature Mysteries

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.

From rags to riches...When Pete the Barncat offers to trade good, juicy steak scraps for a couple of old corncobs, Hank the Cowdog smells a rat. Why would Pete want to trade - unless the cobs are worth a fortune? So, armed with his Incredible PricelessCorncobs, Hank sets out to plan his Early Retirement. But retirement and the life of luxury don't come as easily as Hank expects. It seems as though everyone is after his treasure - even his faithful sidekick, Drover!

Chipper is a very special dog. He's part of a multi-million dollar experiment at a secret organization known only as The Institute. The Institute has been experimenting with dogs, melding them with state-of-the-art computer technology. But there's a problem with Chipper. His natural dog instincts often overrule his computer side. No matter what he's doing, if he sees a squirrel or a mouse, he'll drop everything to chase it.

The Aldens have promised Grandfather a vacation from mysteries during their island visit. But the promise proves hard to keep when things start to go missing. Then an old fisherman tells Benny of the island’s ghost horse, and late that very night Benny sees a mysterious stallion galloping down the beach. Could the ghost horse have something to do with the disappearances?

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.

When an oil spill takes place off the coast of Connecticut, the Aldens are happy to volunteer to help clean up the animals affected, including a rare species of shore bird. But could more have been done to prevent the spill? As the Aldens take up the case, it leads them on an adventure to help other endangered animals around the world.

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?

Meet Atticus Grammatticus Cattypus Claw, the world’s greatest cat burglar. He’s a tabby who spells trouble. And he’s been hired by the fiendish Jimmy Magpie to steal all the jewels in Littleton-on-Sea. Atticus needs a temporary home – preferably one with lots of sardines provided. But when he adopts Inspector Cheddar and his family, Atticus starts to wonder, is a life of crime really for him?

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.

Everyone loves Drover, Hank's trusty sidekick. But have you ever wondered what the little, white, stub-tailed dog's life was like before he came to the ranch? Well, it's all here, in Drover's own words. Scratching his story out in the dirt on the machine shed floor, Drover comes clean about his secret life--from his early days as runt of the litter, to his frustrating search for a job, to his ultimate position as Hank's right-paw man.

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!

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.

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?

Twelve-year-old Epic McDade isn't ready for middle school. He'd rather help out at his family's dog-friendly bed-and-breakfast all summer or return to his alternative elementary school in the fall, where learning feels safe. But change comes in all shapes and fur colors. When Carmelito, California, is named America's number one dog-friendly town, all the top dogs and their owners pour into Epic's sleepy seaside neighborhood for a week of celebration.

Harold and Chester could hardly believe it. The Monroe family was going on vacation without them. Bunnicula, the family rabbit, would be boarded with a neighbor. But they, the family's loyal dog and cat, were to be sent away with strangers; they were to spend a week at Chateau Bow-Wow. Chateau Bow-Wow, observed Chester,soon after they arrived, could more properly be called Howliday Inn. Though what was howling, neither of them knew. Chester had his suspicions, however; only a werewolf could make that chilling sound.

Butterbean is bored. She and the other pets pulled off a heist once, but that was like a million years ago. Nothing exciting has happened since then. That is, until Mrs. Third Floor shows up at their apartment, convinced there's a ghost in the building. Mrs. Third Floor's rental unit is showing signs of paranormal activity—eerie noises, objects moving when no one is there, fish disappearing from the tank overnight. The pets decide to investigate. Soon they're confronted with a bigger problem than just ghosts: professional ghost hunters who are offering to drive out the spirits for a hefty fee.

After Pete the Barncat starts a rumor about a Phantom Dog in the machine shed, Hank the Cowdog - the head of ranch security - decides that he better check it out. And sure enough, when Hank takes a peek into the shadows, he sees the meanest, toughest, stupidest dog he's ever seen.

Abi and her two step-brothers, Max and Louis, find that strange things happen when they are alone in their eerie, ivy-covered new house. Abi, reading alone, finds herself tumbling deep into books, while Louis summons a startling guest through his bedroom window. Even Max has started to see shapes in the shadows....Their busy parents see none of it - but Louis' secret visitor is growing too alarming to keep secret, and he finds he cannot manage without Max and Abi's help. Can they find out where the mysterious creature has come from - and how to get it back there?

A wonderful collection of heart-warming stories from best-selling author Holly Webb, perfect for animal-loving children.

The Virals are put to the ultimate test when they find a geocache containing an ornate puzzle box. Shelton decodes the cipher inside, only to find more tantalizing clues left by "The Gamemaster". A second, greater geocache is within reach - if the Virals are up to the challenge. But the hunt takes a dark turn when Tory locates the other box - a fake bomb, along with a sinister proposal from The Gamemaster. Now, the real game has begun: another bomb is out there - a real one - and the clock is ticking.