Colorado Parks & Wildlife Research Library

One morning after a thunderstorm, the Lambchop family is surprised to discover that Stanley is suddenly invisible.

"National Geographic Kids Chapter books pick up where the best-selling National Geographic Readers series leaves off, offering young animal lovers who are ready for short chapters lively, true stories just right to carry in your backpack, share with your friends, and read under the covers at night. Follow along as National Geographic Kids Chapters' presents a trio of true stories about incredible acts of animal heroism. Courageous Canine features...

Ella Mentary School is having a science fair! Guest scientist Dr. Snow has arrived to help A.J. and his friends conduct their own cool experiments. But what is "the snowman" really planning? And what does STEM even stand for anyway?

Meet Judy Moody, the queen of moods! Judy Moody can't stop winning - at bowling, at spelling, at everything! Until her lucky penny has an unlucky accident, that is. Suddenly it's good-bye, Lucky Duck! Hello, C-A-L-A-M-I-T-Y! Has Judy's luck gone down the toilet for good?

Sam, Joe, and Fred finish their school project on ancient Egypt without using their magical time travel book, but when Joe's sister Anna plays with it and travels to the land of pyramids, they must follow her back in time to bring her back to 1996.

A tree house that travels through time? Not possible, says Jack. But he has to admit--when he and his younger sister, Annie, start running into dinosaurs--that they're not in Frog Creek, Pennsylvania, anymore. Eight-year-old Jack and his younger sister Annie find a magic treehouse, which whisks them back to an ancient time zone where they see live dinosaurs.

Henry knows that a class sleepover at a museum can only be one thing--boring! So he's invited a few party crashers to liven things up...zombie vampires! Plus three other stories that will leave you screaming for more.

Everyone has to run for an office in Mrs. Green's class election. Everyone has to run for something in the class election. But you'd rather run for your life! Even worse, you're running against Doris, who's bought the whole class's votes with ice cream, even your friends. And if you lose the election, they might vote you out of school-yikes! So don't miss out on the jokes and laughs in the Class Election from the Black Lagoon! Mean Mrs. Green is...

Jack and his younger sister take a trip in their tree house back to ancient Egypt, where they help a queen's mummy continue her voyage to the Next Life.

Can Mercy Watson outwit Animal Control? The porcine wonder's on the lam in her latest tongue-in-snout adventure! Mercy's appetite has got her into trouble again. When Eugenia Lincoln's pansies go missing, Animal Control Officer Francine Poulet arrives on the scene. But as she soon discovers, not just anyone can think like a pig. Especially when that pig is porcine wonder Mercy Watson! --Publisher Marketing