Some reptiles lay eggs and some give birth to live young. In this book, readers learn about the reptile life cycle beginning in both ways. The main content give

Explores the lives of the animals whose name means "double life," as they've adapted to life both on land and in water.

Describes the incredible transformation of an egg into a snake, and every phase in between.

"Mammals are a very diverse group. From whales and dolphins that give birth in the water to platypuses that lay eggs, these life cycles can often seem very diff

"Have you ever heard of a reptile that spends most of its life in an egg? What about a reptile that has to lay its eggs on the same beach where it was hatched?