Special Edition
This book by the great philosopher of religion Frithjof Schuon is considered worldwide to be one of the best introductions to the true teachings of Islam.
Christentum – Islam: Ausblicke auf eine esoterisch Ökumene (e-Book)
In this work, Frithjof Schuon compares Christianity and Islam and also looks at confessions within these world religions: Protestantism, Orthodoxy, and Shiism.