Which came first, the chicken or the egg? See the egg inside the chicken and the chick inside the egg.Watch as the chick develops, grows, and hatches. Observe different kinds of bird eggs. Find out about the eggs of reptiles, fish and insects.This title forms part of the My First Discoveries series, a unique collection of highly illustrated information books for children aged 4 to 7 that aims to awaken children's interest in the wonders of the natural, physical and human world around them.