Cheep cheep! Chicks look like fluffy, yellow balls, but they don't stay that way for long. It only takes a few months for a chick to become a rooster or a hen. This book follows the life of chickens from embryos to hatchlings and finally to adults. It looks at how their bodies work, how they live, and their long relationship with humans. Pictures of chickens' digestive and reproductive systems, cutaway views of eggs in different stages of development, and all kinds of intriguing facts make this a colorful and clear account of this familiar yet fascinating bird.