First published in 1976, What Is A Girl? What Is A Boy? was hailed in the New York Times Book Review as "a simple, straightforward, cut-through-the-garbage explanation of what does--and doesn't--make a boy or a girl...The photographs set the record straight with humor, intelligence and earthy candor." The target audience is ages 3-7.

Do you spend your time wondering and worrying about the end of the world? Do you have a basement full of canned food, rechargeable batteries and tin foil hats? If so, then this is the series for you. With tips on everything from hiding supplies to attacking your enemies, this series will guide you out the other side of the apocalypse.

Do you spend your time wondering and worrying about the end of the world? Do you have a basement full of canned food, rechargeable batteries and tin foil hats? If so, then this is the series for you. With tips on everything from hiding supplies to attacking your enemies, this series will guide you out the other side of the apocalypse.

National Geographic presents the 43 individuals who have led the U.S., plus America's newest commander-in-chief, in this up-to-date, authoritative, and lavishly illustrated family, school, and library reference. It features comprehensive profiles of the 43 former presidents along with timelines and descriptions of crucial events during their terms. Information about the 2016 president-elect is also included. Thematic spreads cover a variety of topics from the history of voting rights to writing a presidential letter. Full-page portraits, famous quotes, and fascinating facts help kids get to know each leader. This new volume is a fascinating read and excellent reference for students and kids of all ages.

This fascinating book combines reference and carefully retold myths and legends. A detailed history of world mythology is told in easy-to-read bulleted facts, with fantastic images and artwork to illustrate. These spreads are interspersed with classic myths and legends of the Greeks, Romans and Egyptians, along with some lesser-known tales.