What has a sticky tongue, orange feet, smooth green skin, and red eyes? If you guessed a red-eyed tree frog, you re right! This book introduces early readers to a mystery animal by describing its features, one by one, using short, simple sentences and eye-popping, full-color photos. At the end of the book, the secret animal is revealed across a colorful, two-page spread. Young children will love showing off their beginning reading skills as they learn about this dazzling collection of wild and wonderful zoo animals one clue at a time! Fast facts and habitat maps at the end of the book provide beginner readers with key information about the zoo animal. The clear text, clever design, and exquisite photos are sure to delight and engage emergent readers.