Download or read book What Is Sight? written by Jennifer Boothroyd and published by Lerner Publications. This book was released on 2009-10-01 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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!