Acclaimed nonfiction author Sandra Markle presents the daring story of a mother emperor penguin's struggle to reach the sea, find food, avoid predators, and make her way back to her mate and their newborn chick before they starve. Alan Marks' luminous illustrations highlight the harsh conditions and stunning landscapes of Antarctica.

Describes the inner and outer workings of sharks, including their diet, anatomy, and reproduction.

Presents information on the physical characteristics, life cycle, and behavior of killer whales, with an emphasis on how they hunt.

Stunning photographs from around the world show the biggest sharks, the littlest sharks, and sharks with some of the strangest features. Compelling text reveals how a shark's special traits, such as its size or a super-long tail or a hammer-shaped head, allow the fish to live in its specific place on Earth.

An introduction to the lives of wolves that focuses on how they hunt and how they raise their cubs.

Discusses the physical characteristics of owls that combine to make them such able predators.