This book describes the life and conquests of the Spanish explorer who joined an expedition to the New World in 1502 and subsequently claimed for Spain parts of Mexico, Central America, and South America including Peru.

Follows a year in the life of a mother elk, her calf, and a bull in the Olympic Mountains of Washington State where these animals are named in honor of President Roosevelt.

While visiting their grandmother in Alaska, Kate and David encounter a grizzly and make discoveries about that animal and its disappearing habitat.

This is a biography of the English explorer and sea captain who explored three North American waterways later named for him - the Hudson River, Hudson Bay, and Hudson Strait.

This book presents a biography of the daring Portuguese sea captain who commanded the first expedition that sailed around the world.

This book introduces the flying reptile that lived on the earth during the age of dinosaurs.

When something lands on one of the moons of the planet Jurassica, Captain Raptor and his spaceship crew go to investigate.

Captain Raptor and the crew of the Megatooth rush to help rescue scientists from the planet Mammalia who are trapped on Pyros Prime, an unstable planet with exploding volcanoes.