WHAT WAS THAT? That's the roaring burp of a bullfrog! SEE THAT? That's the slick, shiny skin of colorful little rainforest frogs! Alive with froggy facts, this book has the coolest photos to bring kids deep into the swampy world of our amphibian friends. National Geographic supports K-12 educators with ELA Common Core Resources. Visit www.natgeoed.org/commoncore for more information.