9780393631715_unduniv3_02_im_ch01_001_007 9780393631715_unduniv3_02_im_ch01_001_007 administrator Solution Manual: Understanding Our Universe 3rd Edition, by Stacy Palen, Laura Kay, George Blumenthal, ISBN: 9780393614428, ISBN: 9780393663747, ISBN: 9780393663754, ISBN: 9780393663563, ISBN: 9780393663785, ISBN: 9780393631715, ISBN: 9780393663778