1997 - The Yearround Messier Marathon Field Guide with Complete Maps Charts and Tips to Guide You to Enjoying the Most Famous List of Deepsky Objects (Hardcover) ISBN-13: 9780943396545 ISBN-10: 0943396549 Genres: Reference, Science & Math, Engineering & Transportation, Outdoors & Nature ? 1997 - The Dobsonian Telescope a Practical Manual for Building Large Aperture Telescopes (Hardcover) ISBN-13: 9780943396552 ISBN-10: 0943396557 Genres: Reference, Science & Math 1 Multiyear Interactive Computer Almanac 18002050 Version 20 (Hardcover) ISBN-13: 9780943396842 ISBN-10: 0943396840 Genres: Reference, Science & Math, Engineering & Transportation ? |