Join Billy and Matt for a day at the zoo. It's a chance to see and learn about all kinds of animals-from a hungry giraffe to performing sea lions! A Trip to the Zoo is part of the DK Readers series, a multi-level learning-to-read program that combines DK's highly visual style with appealing stories at four graduated levels. Stunning photographs and engaging, age-appropriate stories are guaranteed to capture a child's interest while developing reading skills and general knowledge. Paperback, 6x9". 32 pages. Level 1. Ages 5-7.