Arthur Koestler - The Sleepwalkers, Part One: The Heroic Age complete with Guided Notes (The Arm Chair Astronomy Series Book 1)

Volume One of the Arm Chair Astronomy Series features The Heroic Age, Part One of Arthur Koestler s The Sleepwalkers: A History of Man s Changing Vision of the Universe, Hutchinson of London, London UK, 1959

The purpose of the Arm Chair Astronomy series is to make available well-written essays in popular astronomy created by expert astronomers and astrophysicists.

To advance the reading and understanding, Guided Notes are provided with this essay in the series.