An anthology of alternate history stories, each examining the change in history had a famous general fought for a different side, or at a different time, or done something different.
Contributing authors:

• Harry Turtledove, editor
• Lillian Stewart Carl
• Elizabeth Moon
• Brad Linaweaver
• S. M. Stirling
• Lois Tilton
• Jody Lynn Nye
• Esther Friesner
• Bill Fawcett
• William Sanders
• Janet Berliner
• William Forstchen
• David Weber
• John Mina
• Brian M. Thomsen
• R. M. Meluch

Published by Baen Books. A very good read.