What Is a Pulley? (Welcome Books)
Publisher: Children's Press (CT)
Published: September 2002
Language: eng
Format: Paperback
Number of pages: 24
ISBN-13: 9780516240244
Subjects: Science & Nature - General; Juvenile Nonfiction; Children's Books/Ages 4-8 Nonfiction; Children: Grades 1-2; Children: Kindergarten; General; Juvenile literature; Pulleys
First sentence: This is a pulley.