Dr. Zooper answers questions about life's ordinary puzzles, such as why homework disappears or how a song gets stuck in one's head, by identifying and describing different kinds of Mischievians.

Introduces the part-dinosaur, part-truck monsters called Dinotrux, including Dozeratops, Digasaurus, Velocitractor, and Tyrannosaurus Trux.

Millions of years ago, the prehistoric ancestors of today's trucks, such as garbageadon, dozeratops, and craneosaurus, roamed the Earth until they rusted out and became extinct.

Making a terrible discovery at the stream about a mysterious threat that is endangering its magical creatures, Zoey and Sassafras race against time to discover the source of the problem and save the Merhorse species.

Julie welcomes all lost and homeless creatures into her house, whether they be cats or trolls, ghosts or dragons, but soon realizes that each must have a chore in order for the arrangement to work.

Uno builds a home and garden in the magnificent forest among the playful puddlebuts and feathered frinklepods, but as the place becomes more and more popular, it is overtaken by tourists and buildings until the forest and animals seem to disappear altogether.

Jack, Zack, and Caspar build a castle fort, then spend a day fighting dragons and beasts, but at day's end giants carry away first Sir Zack, then Caspar, and King Jack is left to face night creatures alone.

In the seventh book, Zoey and Sassafras are excited to enjoy their summer with their magical friends. But . . . why is everyone so grumpy? A bunch of bad days one after the other lead Zoey to suspect that something more is afoot. It's up to Zoey and Sassafras to solve the mystery before they end up with one bummer of a summer!

The octicorn -- half octopus and half unicorn-- introduces himself and tells readers why, though strange and unique, octicorns make great friends.

A steampunk fantasy story exploring the origin of the inventor known as Dreamfinder, and how one little spark of inspiration created a dragon called Figment. Based on the Epcot attraction Journey Into Imagination.