Cover art
Conroy, Robert. 1920: America's Greatest War. Baen 2013.

Conroy, Robert. 1920: America's Great War
Divergence: 1914 CE
Summary: Imperial Germany won the Great War and several years later attacks the United States.
Published: Baen 2013 (1451639317w88 android).
Awards: Finalist: 2013 Sidewise Award for best long-form alternate history.