Ages 6 to 10 years. Children will be delighted to learn how the bodies of different animals, including frogs, butterflies, and beetles, change as these animals go through their life cycles. This book explains metamorphosis in a step-by-step format that is accompanied by beautiful pictures. Both complete and incomplete metamorphosis are defined and explained. Full-colour images and illustrations help to show: A butterfly pupa forming a chrysalis around its body; The gradual process of a tadpole growing limbs and losing its tail as it becomes a frog; The underwater life of a dragonfly nymph; Grasshopper eggs buried safely under warm soil.