2006 Harcourt Science Grade 3 Unit E: Investigating Matter and Energy (P) by Michael J. Bell, Michael A. DiSpezio, Marjorie Frank, Gerald H. Krockover, Joyce C. McLeod, Barbara Ten Brink, Carol J. Valenta, & Barry A. Van Deman ***ISBN-13: 9780153435836 ***Condition: Good Used ***124 Pages @sci17.4;1g>harcourt.sci 10.75x8.25 ASKU#v