9781133365235 | 13 pap/psc edition (Brooks/Cole Pub Co, February 25, 2014), cover price $129.95 | About this edition: Based on their best-selling astronomy textbook, authors Mike Seeds, Dana Backman, and Michele Montgomery present HORIZONS HYBRID: EXPLORING THE UNIVERSE, Thirteenth Edition, to help you understand your place in the universe--not just your location in space but your role in the unfolding history of the physical universe.

9781285853888 | 8 pap/psc edition (Brooks/Cole Pub Co, February 12, 2014), cover price $117.95 | About this edition: This edition of UNIVERSE Hybrid 8e means the same proven Seeds/Backman approach and trusted content, fully updated with the latest discoveries and resources to meet the needs of today's diverse students.

9781133940500 | 8 edition (Brooks/Cole Pub Co, January 1, 2013), cover price $256.95 | About this edition: The new edition of UNIVERSE means the same proven Seeds/Backman approach and trusted content, fully updated with the latest discoveries and resources to meet the needs of today's diverse students.

9781111425678 | 7 edition (Brooks/Cole Pub Co, January 1, 2011), cover price $281.95 | About this edition: With their best-selling astronomy textbook, UNIVERSE: SOLAR SYSTEM, STARS, AND GALAXIES, authors Mike Seeds and Dana Backman help you understand your place in the universe--not just your location in space but your role in the unfolding history of the physical universe.

9780495488392 | 10 pck har edition (Cengage Learning, November 7, 2007), cover price $132.95

9780495015932 | Int edition (Gardners Books, March 15, 2006), cover price $73.85

9781133610632 | 13 pap/psc edition (Brooks/Cole Pub Co, January 1, 2013), cover price $240.95

9781111430207 | 12 edition (Brooks/Cole Pub Co, January 1, 2011), cover price $264.95

9780534524340 | Pap/cdr edition (Brooks/Cole Pub Co, July 1, 1997), cover price $102.95 | also contains Stockholm Noir