Portman, Michael

Describes different subspecies of gorillas, explains how human actions have put gorillas at risk, and discusses the work of conservation groups.

Describes different subspecies of whales, explains how human actions have put whales at risk, and discusses the work of conservation groups.

Explores Pluto, how it was accidentally discovered, facts about it, and the decision that removed it as a planet in our solar system.

Profiles different types of fighter jets, including the F/A-18 Hornet and the Stealth.

Examines the history, different models, and future of the Chevelle muscle car. Features accessible text, color photographs, a glossary, and further resources.

Examines the history of the Charger and looks at different models of this powerful muscle car. Features accessible text, color photographs, a glossary, and further resources.

Describes pandas, explains how human actions have put pandas at risk, and discusses the work of conservation groups.

Describes different subspecies of tigers, explains how human actions have put tigers at risk, and discusses the work of conservation groups.

This book is an introduction to the importance of spacesuits, describing why travel in outer space requires spacesuits; distinguishing between the Mercury, Gemini, and Apollo spacesuits; the use of the space shuttle for orbiting Earth; and the EMUs which are special spacesuits for the ISS.

Featuring full-color photographs, fact boxes, and graphic organizers, this book theorizes that a space object was responsible for the extinction of the dinosaurs 65 million years ago and explores whether such an event could threaten life on Earth again.