Nature Mysteries

Meet Tyrone the Tyrannosaurus, Green Lawn’s newest–and biggest!–visitor. The kids’ old friend Jud Wheat is in town raising funds for a dinosaur museum. But after the show in Green Lawn, all Jud’s money disappears! Can Dink, Josh, and Ruth Rose track down the cash?

Hank is in real trouble this time. Loper and Sally May's relatives are coming for Christmas dinner, and Sally May has been working to get the entire ranch in order - including preparing for the Christmas feast. Unfortunately, when she discovers that the turkey she bought has met a terrible end, she pins the blame on Hank! Is he the guilty party, or have more sinister forces been at work to frame him for the crime?

Keenan has lived all over the world but nowhere quite as strange as Centerlight Island, which is split between the US and Canada. The only thing weirder than Centerlight itself is his neighbor Zarabeth, a.k.a. ZeeBee. ZeeBee is obsessed with the island’s history as a Prohibition-era smuggling route. She’s also convinced that her beloved dog, Barney, was murdered - something Keenan finds pretty hard to believe. Just about everyone on Centerlight is a suspect, because everyone hated Barney, a huge dog - part mastiff, part rottweiler - notorious for terrorizing the community.

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 Aldens must find a way to solve many mysteries, and all before 5:00 p.m. on Tuesday! Strange things are happening in Greenfield where the Boxcar Children live. Stray cats and dogs appear on doorsteps, but the animal shelter is forced to close, and a nice old woman disappears. Henry, Jessie, Violet, and Benny are very worried about Mrs. Newcombe. Is she in danger? Who are the strange men lurking around her house?

When a remote camera on a large, rugged expanse held by the Land Trust for Wildlife Conservation picks up a blurry image of what could be a mountain caribou, they contact Alex Carter to investigate. After all, mountain caribou went extinct in the contiguous U.S. years ago, and if one has wandered down from Canada, it’s monumental.

When the Dearly's Dalmatians have their first litter of puppies (fifteen in all) everyone is delighted. But their joy is shattered when the pups are kidnapped! The humans don't have a clue as to who the culprit is, but the smartest dogs in London are on the case, and on the trail of fur-loving Cruella de Vil, who will stop at nothing to have a Dalmatian fur coat!

It's winter in the Texas Panhandle, and the ranch is covered in snow and ice. So when Sally May sets off for town, Hank decides to follow Pete the Barncat's advice and bravely escorts her car down the slick road. Before Hank realizes what's happening, Sally May's car skids into a snowdrift - and she is angrier than ever!

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.

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.

When Hank the Cowdog hears suspicious sounds coming from near Sally May's clothesline, it leads to a midnight investigation of the ranch. Before he knows it, Hank finds himself caught up with his old friend Eddy the Rac - and face-to-face with one of a dog's greatest enemies: the dreaded Laundry Monster!

Katie’s new puppy, Koko, has run away, and now the white doggie is lost! Pedro and Katie pair up to investigate. They are hot on Koko’s trail, but some clues lead nowhere. Still the detectives won’t give up.

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?

Hank makes a foolish bet with his archenemy, Pete the Barncat, that he can catch the Lumberpile Bunny. He loses the wager, his job, his pride, and even his gunny sack bed under the gas tanks. Hank begins to plot revenge. He must dispose of the cat. That sounds simple. But without Pete, Hank discovers scrap time has lost all its joy and meaning.

When Sally May and Loper head out of town for a wedding, Hank the Cowdog, Head of Ranch Security, knows it's up to him to keep things under control. After subjecting strawberry ice cream to rigorous product testing, test-driving a mysterious spaceship, and thwarting a sneak attack from a couch monster, Hank faces the fight of his life.

The boxcar children are trying to track down a dinosaur-bone thief! But another set of tracks in a cave leads to a whole new mystery....

The Aldens travel to Everglades National Park to help find a park ranger who has been missing for days. However, everyone they talk to seems angry and secretive instead of worried. Henry, Jessie, Violet, and Benny are determined to solve this mystery, even if it means following the trail deep into the spooky Everglades.

In this celebration of the seemingly mundane, Carlsen opens our eyes to the engineering marvels, human stories, and natural wonders right outside our front door. He guides us through the surprising allure of sewers, the intricacies of power plants, the extraordinary path of an everyday letter, and the genius of recycling centers — all the while revealing that this awesome world isn’t just a spectator sport. Engaging as it is endearing, A Walk Around the Block will change the way you see things in your everyday life.

The Aldens are helping out at a rescue ranch, taking care of horses that need extra attention. Jessie’s favorite is a beautiful horse named Dragon. But when Dragon and some of the other horses disappear from the pasture, the Boxcar Children must saddle up for a mystery. What’s happening to the horses at the Dare to Dream Ranch?

When a mysterious little free library (guarded by a large orange cat) appears overnight in the small town of Martinville, eleven-year-old Evan plucks two weathered books from its shelves, never suspecting that his life is about to change. Evan and his best friend Rafe quickly discover a link between one of the old books and a long-ago event that none of the grown-ups want to talk about. The two boys start asking questions whose answers will transform not only their own futures, but the town itself.