Kids' Invention Book (Kids' Venture Series)
Publisher: Turtleback Books Distributed by Demco Media
Published: February 2002
Language: eng
Format: Turtleback
ISBN-13: 9780606225441
Subjects: Technology - Inventions & Discoveries; Children's Books/Ages 9-12 Science; Children: Grades 3-4
First sentence: Do you know what's unusual about earmuffs?