Curious kids will learn all about adorable and intelligent dolphins, including their social behavior, communication, diet, and playtime. These engaging Explore My World picture books on subjects kids care about combine simple stories with unforgettable photography. They invite little kids to take their first big steps toward understanding the world around them and are just the thing for parents and kids to curl up with and read aloud. Paperback: 32 pages Publisher: National Geographic Society (13 Jun. 2016) Language: English ISBN-10: 9781426323188 ISBN-13: 978-1426323188 ASIN: 1426323182 Product Dimensions: 20.3 x 0.3 x 20.3 cm