Alternate History: The What-If? fiction that has finally come into its own! Shedding light on the past by exploring what could have happened, this bold genre tantalizes your imagination and challenges your perceptions with thrilling reinventions of humanity's most climactic events. Enter worlds that are at once fanciful and familiar, where fact and fiction meld in a provocative landscape of infinite possibilities. . . .

Contents
xi • What Is Alternate History? • (1998) • essay by Shelly Shapiro
1 • Must and Shall • (1995) • novelette by Harry Turtledove
44 • An Outpost of the Empire • [Roma Eterna] • (1991) • novelette by Robert Silverberg
71 • We Could Do Worse • (1988) • shortstory by Gregory Benford
80 • Over There • [Teddy Roosevelt] • (1991) • novelette by Mike Resnick
112 • Ink from the New Moon • (1992) • shortstory by A. A. Attanasio
130 • Southpaw • (1993) • shortstory by Bruce McAllister
147 • The West Is Red • (1994) • novelette by Greg Costikyan
181 • The Forest of Time • (1987) • novella by Michael F. Flynn [as by Michael Flynn ]
251 • Aristotle and the Gun • (1958) • novelette by L. Sprague de Camp
299 • How I Lost the Second World War and Helped Turn Back the German Invasion • (1973) • shortstory by Gene Wolfe