How do an animals ears help it to hear well? Books in this series introducechildren to sound and hearing. Each book uses simple repetitive text to teachchildren... » 

How do an animals ears help it to hear well? Books in this series introducechildren to sound and hearing. Each book uses simple repetitive text to teachchildren basic vocabulary and includes stunning photographs that show howsounds can be made in many different ways. In How Do We Hear? children learnabout sound waves how the human ear works and how animals can have a specialsense of hearing. «