A dragonfly with big wings zooms over a pond. It was once a tiny embryo inside an egg. So how did it develop? Beginning readers will discover how an embryo becomes a nymph and then molts into a grownup dragonfly in this basic introduction to animal development. Each 24-page book features controlled text with age-appropriate vocabulary and simple sentence construction. The clear text, fresh design, and colorful, eye-catching photos are sure to capture the interest of emergent readers.