Rudolf Steiner's The Evolution of Consciousness: As Revealed Through Initiation Knowledge in the 1991 Rudolf Steiner Press paperback edition, ISBN 978-1-85584-145-1. The volume collects thirteen lectures on the development of human consciousness, spiritual history and initiation. Pink highlighter has been used on passages in parts of the text. The covers show rubbing and edge wear; the pages appear complete and the binding remains sound. Acceptable condition.