Secret Agent "X" Books in Order
Complete reading order for the Secret Agent "X" series.
Title
Date
Aug 1934
Feb 1935
Apr 1935
Jun 1935
✓
Oct 1936
Jun 1938
Aug 2004
Jan 2005
Sep 2005
Jul 2007
FAQ
How many books are in the Secret Agent "X" series?
12 books
When will the next book in the series be released?
No new book is currently scheduled. The latest book, The Assassins' League, was published in July 2007.
When was the most recent book released?
The Assassins' League was published in July 2007.
What was the first book in the series?
The first book in the series is Hand of Horror, published in August 1934.
What genre is the Secret Agent "X" series?
The series primarily falls into the Horror genre.
Is the Secret Agent "X" series finished?
The series does not currently have a new book scheduled.