Screws

by Kay Manolis

Published 1 August 2009
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of screws. Developed by literary experts for students in grades 4 through 6"--Provided by publisher.

Wheels and Axles

by Kay Manolis

Published 1 August 2009
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of wheels and axles. Developed by literary experts for students in grades 4 through 6"--Provided by publisher.

Wedges

by Kay Manolis

Published 1 August 2009
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of wedges. Developed by literary experts for students in grades 4 through 6"--Provided by publisher.

Pulleys

by Kay Manolis

Published 1 August 2009
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of pulleys. Developed by literary experts for students in grades 4 through 6"--Provided by publisher.

Ramps

by Kay Manolis

Published 1 August 2009
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of ramps. Developed by literary experts for students in grades 4 through 6"--Provided by publisher.

Levers

by Kay Manolis

Published 1 August 2009
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of levers. Developed by literary experts for students in grades 4 through 6"--Provided by publisher.