This version of the Keeper's Screen has Call of Cthulhu 3e rules, and includes material for Cthulhu Now and Cthulhu By Gaslight 2e.
Publisher's blurb: Not yet found
More when I get hold of a copy!
Book Details:
Authors: Unknown
Publishers' Reference: CHA2323
ISBN: Unknown
Tri-fold screen
Date: 1988
Product page last updated: 21 January 2007