About “In the Light of Truth: The Grail Message”
In the Light of Truth: The Grail Message is a book written by Oskar Ernst Bernhardt, the leader of the Grail Movement, a millenarian new religious movement. Published in 1926 under the pen name Abd-ru-shin, it contains 91 lectures that build upon each other to present a comprehensive view of Creation. An expanded edition, published in 1931 under the name Abdruschin and titled Im Lichte der Wahrheit, included additional lectures. Between 1931 and 1934, 59 more lectures were released. The work serves as a foundational text for the Grail Movement's teachings. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.