15 books in series

The Phantom

The Phantom is a 15-book series with 15 primary works first released in 1967 with contributions by Lee Falk, Basil Copper, Frank S. Shawn, Warren Shanahan, Lee; Bingham Falk, Carson Bingham, Rob MacGregor, and Jeffrey Boam.

The Phantom Chronicles: New Tales Of The Ghost Who Walks!
The Phantom: The Complete Newspaper Dailies, Vol. 1: 1936-1937