It Takes Two (Wonderwise)
Publisher: Tandem Library
Published: March 2001
Language: eng
Format: School & Library Binding
ISBN-13: 9780613294508
Subjects: General; Concepts - General; Juvenile Nonfiction; Children's Books/Ages 4-8 Fiction; Animals; Courtship in animals; Courtship of animals; Juvenile literature; Parental behavior in animals; Sexual behavior in animals; Children: Grades 1-2
First sentence: Sometimes he is much bigger than she is.