Portman, Michael

An introduction to the United States Marine Corps that provides information on its history, purpose, training, weapons and equipment, role in combat, recruitment, and values.

Describes different species of sea turtles, explains how human actions have put sea turtles at risk, and discusses the work of conservation groups.

An introduction to the Tasmanian devil that provides information on its physical characteristics, behavior, habitat, and diet and explains why it is an endangered animal and what can be done to protect it.

Presents various theories about the moon's origin, information about gravity, tides, and the astronauts' exploration of the Moon between 1969 and 1972, and includes Moon facts and a glossary.

Examines the planet Mars and the possibility that it had once supported life, and shows how scientists have been studying the planet.

Describes what asteroids are, how an asteroid may have destroyed dinosaurs sixty-five million years ago, recent impacts, how scientists think that an asteroid could be bumped off course to protect Earth, and more.

A brief profile of the life of Drew Brees that discusses his childhood, family, college football experiences, professional career, and charity work.

Explains what conditions humans need to live and whether those conditions can be found or recreated on other planets.

For many years, it was accepted as fact that our solar system had nine planets. However, one important meeting of astronomers in 2006 reduced that number to eight. They decided that Pluto was not a planet, a declaration that outraged some people. Readers will learn more about distant Pluto, such as how it was accidentally discovered.

Discusses the F-15 Eagle, F-16 Fighting Falcon, F/A-18 Hornet, the sonic barrier and G-Force.