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Looking for these used in good condition. All 3 by Peter Riley please email me at giovi42@verizon.net
From: Giovana (71.97.143.174)
STRAIGHTFORWARD SCIENCE SERIES- magnetism, forces & movement, light & color July 5, 2010 at 6:59 pm PST
Straightforward Science series:
Magnetism
Forces and Movement
Light and color
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