Deduction board game are drawn at random. Notable members of this category include "Black Box" and "Master Mind". Investigation games are board games in which the players generally play as police, detectives or other investigators. The best known game of this type is "Cluedo". In fact, many of games in this category utilize a mechanic known as "The Missing Card," which was developed by Anthony E. Pratt for "Cluedo" ("Clue" in the United States). "The Missing Card" takes a known set of cards (or other token) and removes one or more of them. By gathering information and using deduction and logic, the players
The Undying Fire (Pratt novel) The Undying Fire (Pratt novel) The Undying Fire is a science fiction novel by Fletcher Pratt. It was first published in both hardcover and paperback by Ballantine Books in 1953. The novel has also been translated into Italian. The book is an expansion of the author's novella "The Conditioned Captain," originally published in the magazine "Startling Stories" in the issue for May, 1953. The story involves an interstellar expedition to steal a neptunium motor from the planet Danaan, punctuated by various political and romantic complications. Groff Conklin, writing in "Galaxy Science Fiction", called the book "tenuous," rating it "far below