Explore fascinating, often chilling "what if" accounts of the world that could have existed--and still might yet . . .Science fiction's most illustrious and visionary authors hold forth the ultimate alternate history collection. Here you'll experience mind-bending tales that challenge your views of the past, present, and future, including:- "The Lucky Strike": When The Lucky Strike is chosen over The Enola Gay to drop the first atomic bomb, fate takes an unexpected turn in Kim Stanley Robinson's gripping tale.- "Bring the Jubilee": Ward Moore's novella masterpiece offers a rebel victory at Gettysburg which changes the course of the Civil War . . . and all of American history.- "Through Road No Wither": After Hitler's victory in World War II, two Nazi officers confront their destiny in Greg Bear's apocalyptic vision of the future.- "All the Myriad Ways": Murder or suicide, Ambrose Harmon's death leads the police down an infinite number of pathways in Larry Niven's brilliant and defining tale of alternatives and consequences.- "Mozart in Mirrorshades": Bruce Sterling and Lewis Shiner explore a terrifying era as the future crashes into the past--with disastrous results.. . . as well as works by Poul Anderson - Gregory Benford - Jack L. Chalker - Nicholas A. DiChario - Brad Linaweaver - William Sanders - Susan Shwartz - Allen Steele - and Harry Turtledove himself!The definitive collection: fourteen seminal alternate history tales drawing readers into a universe of dramatic possibility and endless wonder.