2002 [Houghton Mifflin Science] DiscoveryWorks Grade 3 -- Books on Tape Student Edition (Package) ***Contains 12 Audio Tapes(Cassette) [***3 for Unit Sun, Moon, and Earth, 3 for Unit Matter, Energy, and Forces, 3 for Unit Earth's Resources, & 3 for Unit Roles of Living Things] ***S-40693 ***ISBN-13: 9780618027064 ***Condition: Good Used
