The Miskatonic University Library Association fosters new talent in literature and the arts. M.U. Monographs are works in which the author has performed most or all editorial and layout functions of this book. It has not been otherwise edited or modified. The trustees deem that this work offers significant value and entertainment to our patrons and fans of the Call of Cthulhu roleplaying game.ONCE MEN: Science fiction rules for Call of Cthulhu, plus four adventures set in a future consistent with Lovecraft's stories and the spirit of his works.