Why are tigers, the biggest felines, in danger of extinction? They are active at night and sleep in the day. See how a tigress brings up her cubs. Meet the tigers' many cousins in the cat family.
The First Discovery series is a set of inspring and creative children's science books that are international bestsellers.This beauty of this series lies in its use of exquisite colorful drawings which will grab children's interest at first glance. Transparent plastic overlays, which the reader can flip to change the view, provide an effective tool for engaging readers and are incorporated in the storytelling.