Two months after the sinking of the USS Maine in Havana Harbor in February 1898, Congress authorized President McKinley to recruit a volunteer army to drive the Spaniards from Cuba. From this army emerged the legendary “Rough Riders,” a mounted regiment drawn from America’s western territories and led by the indomitable Theodore Roosevelt. Its ranks included not only cowboys and other westerners, but several Ivy Leaguers and clubmen, many of them friends of “TR.” Roosevelt and his men quickly came to symbolize American ruggedness, daring, and individualism. He led them to victory in the famed Battle at San Juan Hill, which made TR a national hero and cemented the Rough Riders’ place in history.

Now, Mark Lee Gardner synthesizes previously unknown primary accounts as well as period newspaper articles, letters, and diaries from public and private archives in Arizona, Texas, Oklahoma, New Mexico, Boston, and Washington, DC, to produce thi