Cluedo armchair detective

Isaac Asimov, Martin H. Greenberg, Joseph D. Olander, Lew Gillis, Bill Pronzini, Barry N. Malzberg, Carroll Mayers, Henry Slesar, Judith F. Garner, Lawrence Treat, Al Nussbaum, Charles M. Plotz, Harold Q. Masur, Elsin Ann Graffam, Ed Dumonte, Francis M. Nevins, Edward Wellen, Maxine O'Callaghan, Gary Brandner, Mary Bradford, Michael Kurland, Richard Deming, Julie Smith, A. F. Oreshnik, Alvin S. Fick, John Lutz, James Holding, Isak Romun, R. L. Stevens, Jeff Sweet, Charles Boeckman, Elaine Slater, James McKimmey, Lael Littke, Joe L. Hensley, Helen McCloy, Jane Speed, Thomasina Weber, Jack Ritchie, Carl Henry Rathjen, Marion M. Markham, Edward D. Hoch, Dion Henderson, Patricia Mathews, Morris Hershman, Leo R. Ellis, William F. Nolan, Phyllis Ann Karr, Fred S. Tobey, Anne Chamberlain, Betty Ren Wright, John F. Suter, Penelope Wallace, Ruth H. Wissmann, Robert Edmond Alter, Kay Nolte Smith, Jeffrey Wallman, Michael Francis Gilbert, Robert H. Curtis

Lawrence Treat

P. D. James, Ruth Rendell, Lawrence Treat, Nancy Pickard, Joan Hess

Lawrence Treat

Alice Laurance, Isaac Asimov, John Ball, Robert Bloch, Dorothy Salisbury Davis, Rosemary Gatenby, Michael Francis Gilbert, Elizabeth Gresham, Joe L. Hensley, Edward D. Hoch, R. A. Lafferty, John D. MacDonald, Florence Mayberry, Patricia Moyes, Rachael Cosgrove Payes, Bill Pronzini, Ruth Rendell, Lawrence Treat, Janwillem van de Wetering

Lawrence Treat

Lawrence Treat

Ron Goulart, Gerald Tomlinson, Joan Richter, Lawrence Treat

Lawrence Treat

Lawrence Treat

Lawrence Treat

Ellery Queen, Isaac Asimov, Hal Ellson, Patricia Highsmith, Julian Symons, Christianna Brand, Jacob Hay, James Powell, Jon L. Breen, Michael Harrison, Reginald Bretnor, Jeff Sweet, Mary Braund, William Brittain, Joyce Porter, Lawrence Treat