The present interpretation of the Book of Revelation can be seen as a continuation of the four volumes on the Gospel of John. Right from the first pages, it becomes apparent how significant the role of Saint John is considered. It is evidently important for understanding the Apocalypse to know who wrote it. What is recorded are visions. This dual fact naturally leads to a teaching of mysticism, which is scattered throughout the entire book, and whose theological aspect is seen and presented by Adrienne von Speyr with a precision rarely encountered. She has the exceptional gift of pointing out the salvific meaning everywhere without detours, so that the reader feels continually called to a direct, personal encounter with God.