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In Helicopters, early fluent readers learn about the science, engineering, and physics behind helicopters in flight. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about these exciting machines.

In Speedboats, early fluent readers learn about the science, engineering, and physics that keep these boats afloat. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about these exciting machines.

"This photo-illustrated book introduces early fluent readers to the science and engineering behind cars. Includes glossary and index."--