Jennifer Boothroyd 
What Is Sight? 

A green frog. An orange Popsicle. A flashing "walk" sign. Your eyes let you see everything around you. But how do your eyes work? And how does your sense of sight help you? Read this book to find out! Learn all about your five senses in the Your Amazing Senses series – part of the Lightning Bolt Books(TM) collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books(TM) bring nonfiction topics to life!