Look at pictures to figure out what item is on top ofanother.Additional features to aid comprehension include detailed photographs, a visual answer key, a phonetic glossary, sources forfurther research, an index, and an introductionto the author.
"Presents information about the life cycle of chickens to beginning readers, including high-impact photos, close photo-to-text match, a picture glossary, and a comprehension question"--Amazon.com.