"Why do pigs roll in mud?"
Subtitle: -- and other questions kids ask about mammals big & small
Series: Questions kids ask
Publisher: Scholastic
Published: 2001
Place of publication: New York
Language: eng
Number of pages: 45
ISBN-13: 9780439337175
Subjects: Mammals; Children's questions and answers; Miscellanea
Other titles: Questions kids ask about mammals big & small
Notes: Includes index.