1.
Save It! Keep It! Use It Again!: A Book about Conservation and Recycling - R. J. Lefkowitz -...
by Lefkowitz, R. J., Johnson, ...
ISBN: 9780819308962
List Price: $5.41
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Matter All around You: A Book about Solids, Liquids and Gases - R. J. Lefkowitz - Library Bi...
by Lefkowitz, R. J., Di Fiori,...
ISBN: 9780819305503
List Price: $5.41
5.
Receptor Regulations - R. J. Lefkowitz - Hardcover
by Lefkowitz, R. J.
ISBN: 9780412159305
List Price: $59.95
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Water for Today and Tomorrow
by Lefkowitz, R. J., Adato, Ja...
ISBN: 9780819306296
List Price: $6.45
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Push! Pull! Stop! Go!: A Book about Forces and Motion
by Lefkowitz, R. J., Goldsboro...
ISBN: 9780819307378
List Price: $5.41
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Forces in the Earth: A Book about Gravity and Magnetism
by Lefkowitz, R. J., Yake, J. ...
ISBN: 9780819308405
List Price: $5.41