2005 Houghton Mifflin Physical Science: Following the Rules: Using the Physical Laws Level 6 -- Waves and Rays (Paperback/Staple Bound)(8"x6") by Paul A. Barra ***Number of Words: 2452 ***ISBN-13: 9780618599035 ***Condition: Like New ***Pages: 16 @C4.2f;0>hm.read @ASKU010526v