What would the world be like if Teddy Roosevelt had fought in World War I? If the space race started during World War II? If Joseph McCarthy had been elected President? These and other questions are answered in this collection of alternate histories. As these stories suggest, the world as we know it might have turned out different than it is today, if only one minor—or major—change had occurred in history. Included in this collection are:

“A Massachusetts Yankee in King Arthur's Court” by Harry Turtledove
“ Ike at the Mike” by Howard Waldrop
“Looking for the Fountain” by Robert Silverberg
“The Return of William Proxmire” by Larry Niven
“The Arrival of Truth” by Kristine Kathryn Rusch
“Goddard's People” by Allen Steele
“ Over There” by Mike Resnick
“Bloodstained Ground” by Brian Thomsen
“We Could Do Worse” by Gregory Benford