Cover art
Deutsch, Harold, and Dennis Showalter (eds.). What If? Strategic Alternatives of WWII. Emperor's Press 1997.
Cover art
Showalter, Dennis, and Harold Deustch (eds.). If the Allies Had Fallen: Sixty Alternate Scenarios of World War II. Skyhorse 2010.

Deutsch, Harold, and Dennis Showalter (eds.). What If? Strategic Alternatives of WWII [vt If the Allies Had Fallen: Sixty Alternate Scenarios of World War II]
Summary: Collection of numerous short scenarios by historians, considering such questions as what if World War II had begun in September 1938, if Britain had sued for peace in 1940, if the Japanese had launched another strike against Pearl Harbor, if Hitler had stayed out of military decision making, and if there had been no atomic bomb. Includes work by Thomas M. Barker, Harold C. Deutsch, Walter S. Dunn, Robert M. Love, D. Clayton James, Bernard C. Nalty, Richard J. Overy, Paul Schratz, Dennis E. Showalter, Gerhard L. Weinberg, Anne Wells, and Herman S. Wolk.
Comments: The volume is chronologically organized in 12 chapters, with each chapter discussing several alternative scenarios during the particular time period. The 2010 and later editions include a new foreword by William Forstchen.
Published: As What If? Strategic Alternatives of WWII, Emperor's Press 1997 (1883476070w88 android).
Published: As If the Allies Had Fallen (as edited by Showalter and Deutsch), Skyhorse 2010 (1616080272BUY), 2012 (1616085460BUY); Frontline 2010 (1848325665BUY), 2012 (1848326564BUY).
Original in: English.
Translation: Swedish by Göran Andolf as Om Tyskland segrat — 53 alternativa scenarier, Fischer 2011 (9789186597153).