Perk Up Your Ears 
Subtitle: Discover Your Sense Of Hearing
Contributors: Cynthia Lewis (Illustrator)
Publisher: Millbrook Press
Published: August 3, 2003
Language: eng
Format: Paperback
Number of pages: 32
ISBN-13: 9780761319818
Subjects: Juvenile Fiction; Science & Nature - Anatomy & Physiology; Concepts - Senses & Sensation; Children's Books/Ages 4-8 Nonfiction; Science & Technology - Anatomy & Physiology; Perception; Children: Grades 2-3; Juvenile literature; Hearing; Concepts - Sense & Sensation; Science & Nature - Experiments & Projects; Juvenile Nonfiction / Science & Technology / Anatomy & Physiology; Children's 4-8 - Science; Science & Technology - Experiments & Projects; Auditory perception
First sentence: Stick your fingers in your ears.