VOYAGES THROUGH THE UNIVERSE, Second Edition provides readers with the best of both worlds. It is written by two distinguished research scientists, David Morrison and Sidney Wolff and an award-winning astronomy educator, Andrew Fraknoi. This author team combines the latest science with classroom-tested teaching strategies. Voyages Through the Universe is adopted at a wide range of schools. It is extremely authoritative and up-to-date as well as approachable and accessible to all students. In addition to the full text, Vol 1: VOYAGES THROUGH THE PLANETS, 2nd Edition and Vol 2: VOYAGES TO THE STARS AND GALAXIES, 2nd Edition are now available as complete, stand-alone texts. This allows instructors to choose the book that best fits their needs for any length course on either or both subjects.