Levers /
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of levers. Developed by literary experts for students in grades 2 through 5"--Provided by publisher.
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Format: | Online Book |
Language: | English |
Published: |
Minneapolis, MN :
Bellwether Media,
2010.
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Series: | Blastoff! readers.
Simple machines (Bellwether Media) |
Subjects: | |
Access: | Online version |
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