|Editors||George E. Closson|
|First issue||October 1905|
|Final issue||April 1914|
There were 52 issues in 5 Volumes. Many issues were undated and unnumbered.
It was followed by The Magic Key in April, 1918.
Private Secrets of the Central Mystic League
Two issues of the "Private Secrets of the Central Mystic League" (a chapter of the Brotherhood of Magicians) were published as supplements. The first within Vol 5. No.2 and the second within Vol 5. No. 4.