Notes: Data from publisher and Locus Magazine #641 as of 2014-06-03. The Centennial Edition As of 2019-06-11, Amazon.com provides the cover image linked here, publication date and price reported here, as "Ramble House; Centennial Edition edition (March 16, 2014)". Amazon also provides "Look inside" that includes front/back covers, title leaf, and the entire Introduction by John Pelan, "The Real Ghostbuster" p[7]-10. The copyright page also notes (quote two lines):   'A short history of The Sorcery Club'   (c)2014 Gavin L. O'Keefe which the book presumably contains either before page 7 or in back pages. (Title page credits O'Donnell, Pelan, and Campbell only.)