num_pages: 48
description: The world of whales and dolphins is explored in this question-and-answers book that addresses such questions as "How long can whales stay underwater?" and "Can dolphins save humans?" Simultaneous.
language: English
title: Do Whales Have Belly Buttons?: Questions and Answers about Whales and Dolphins
titlecomplete: Do Whales Have Belly Buttons?: Questions and Answers about Whales and Dolphins
genres: Childrens, School, Animals, Science, Nonfiction
ratings_count: 43
publisher: Scholastic Reference