Find out all about our planet, from its devastating volcanoes and earthquakesto the amazing creatures surviving in the hottest deserts, coldest plains, and deepest ocean abysses

Combining biographical information with vivid illustrations and photographs, an introduction to five noted explorers tells the stories of Mae Jemison, Esteban, James Beckwourth, Jean Baptiste Pointe duSable, and Matthew Henson

Accessible text describes the early lives and notable achievements of Susan McKinney Steward, the first black female doctor in New York State; George Washington Carver, the world-famous agricultural scientist; Ernest Just, a marine biologist; Percy Julian, an outstanding chemist; and Shirley Jackson, a nuclear physicist