2000 [Houghton Mifflin Science] DiscoveryWorks Grade 4 Unit D: Magnetism and Electricity California Edition (CA)(P) by William Badders, Lowell J. Bethel, Victoria Fu, Donald Peck, Carolyn Summers, & Catherine Valentino ***ISBN-13: 9780618026043 ***Condition: Good Used @sci08.4/sci08top4;1/BS11.4f4;3>hm.sci
