Robert Silverberg

What if......Vikings had already carved out a thriving civilization on the East Coast of America when Columbus arrived?...John F. Kennedy defied fate and survived the assassination attempt, changing the course of history?The power of "what if" lies in its ability to ignite curiosity, challenge perceptions, and spark endless possibilities. What If... is a thrilling anthology of speculative fiction short stories that dares to explore alternate realities, twist history, and reimagine the world as we know it.From mind-bending adventures to heart-pounding twists, these tales will transport you to worlds where the improbable becomes reality, and the impossible feels within reach.Dare to wonder. Dare to dream. And dare to ask: What if?

A FICTION HOUSE PRESS BOOK: DREAM WORLD was an experiment by Ziff-Davis Publishing Company and the editors of AMAZING STORIES and FANTASTIC. For three issues in 1957 it lasted before the plug was pulled on the experi-ment. Prior to that, two complete issues of FANTASTIC were devoted to "Dream World" stories, as well as two others stories in another issue. From 1955 and 1956, we present most of those stories.

Lightspeed (www.lightspeedmagazine.com) is the critically-acclaimed, online science fiction magazine edited by bestselling anthologist John Joseph Adams. Lightspeed publishes all types of science fiction, from near-future, sociological soft sf, to far-future, star-spanning hard sf, and anything and everything in between. Each month, Lightspeed features a mix of originals and reprints, from a variety of authors — from the bestsellers and award-winners you already know to the best new voices you haven't heard of yet. Now, in Lightspeed: Year One, you will find all of the fiction published in Lightspeed's first year, from new stories such as Nebula Award finalists, Vylar Kaftan's "I'm Alive, I Love You, I'll See You in Reno" and "Arvies" by Adam-Troy Castro, and Carrie Vaughn's Hugo Award-nominee "Amaryllis," to classic reprints by Stephen King, Ursula K. Le Guin, George R. R. Martin, and more.