"What has fins, other than fish? Believe it or not, planes and ships do! Mammals like whales and dolphins also have fins to help them swim. Readers learn the many animals and objects with fins while adding this term to their ever-growing vocabulary. Full-color photographs directly correlate with each simple sentence, making the book achievable for the newest readers. Word repetition aids their word recognition, and a question at the end of the book engages readers with what they have read"-- Provided by publisher.