Touring the Universe Author:Ken Graun A large format book that is spiral bound to lie flat for easy use of its star charts. This book is divided into two parts. The âArmchair Tourâ is an overview of our Solar System and beyond. It provides a basic understanding of the sky above us and the Universe as a whole. The âSelf-Guided Tourâ is the nuts and bolts for observing the heavens wi... more »th your eyes, binoculars or a telescope.« less