You Scratch My Back
Subtitle: Symbiosis (Raintree Fusion)
Publisher: Raintree
Published: September 15, 2007
Language: eng
Format: Hardcover
Number of pages: 32
ISBN-13: 9781410928443
Subjects: Juvenile Science (General); Juvenile Nonfiction; Children's Books/Ages 9-12 Fiction; Children: Grades 4-6; Science & Nature - General; Science & Nature - Biology; Juvenile literature; Symbiosis