Cover art
Sobel, Robert. For Want of a Nail…; If Burgoyne Had Won at Saratoga. Greenhill/Stackpole 1997.

Sobel, Robert. For Want of a Nail…; If Burgoyne Had Won at Saratoga
Divergence: 1777 CE
What if: Burgoyne beat Gates at Saratoga, and the American rebellion collapsed.
Summary: Dual history text of the Confederation of North America and the U.S. of Mexico, from 1775 to 1971. Probably as complete a developed alternate history as has ever been written, as by "text" we mean a book that could almost be used as a classroom textbook.
Comments: Synopsis in Fadness's "What If the British Had Won the Revolutionary War?".
Published: Macmillan 1973; and Greenhill/Stackpole 1997 (1853672815BUY), 2002 (1853675040BUY).
Awards: 1997 Sidewise Award for special achievement in alternate history.