Sidewise Awards Winners By Year (original) (raw)

— 2025 —

long form

Sargassa, Sophie Burnham

short form

“A Brother's Oath”, L. Briar

— 2024 —

long form

Cahokia Jazz, Francis Spufford

short form

“Apollo in Retrograde”, Rosemary Claire Smith

— 2023 —

long form

The Peacekeeper, B. L. Blanchard

short form

(tie) “Dreams of Electric Mothers”, Wole Talabi

short form

(tie) “A Sky and a Heaven”, Eric Choi

— 2022 —

long form

Civilizations, Laurent Binet, translated by Sam Taylor

short form

“Gunpowder Treason”, Alan Smale

— 2021 —

long form

The Doors of Eden, Adrian Tchaikovsky

short form

“Moonshot”, Matthew Kresal

— 2020 —

long form

The Future of Another Timeline, Annalee Newitz

short form

“Christmas Truce”, Harry Turtledove

— 2019 —

long form

The Calculating Stars, Mary Robinette Kowal

short form

Codex Valtierra, Oscar (Xiu) Ramirez & Emmanuel Valtierra

special achievement

Eric Flint, for his ongoing encouragement of the genre of alternate history through his support of the community and writers developed around his 1632 series

— 2018 —

long form

Once There Was A Way, Bryce Zabel

short form

“Zigeuner”, Harry Turtledove

— 2017 —

long form

Underground Airlines, Ben H. Winters

short form

(tie) “Treasure Fleet”, Daniel M. Bensen

short form

(tie) “What If the Jewish State Had Been Established in East Africa”, Adam Rovner

— 2016 —

long form

The Big Lie, Julie Mayhew

short form

“It Doesn't Matter Anymore”, Bill Crider

— 2015 —

long form

The Enemy Within, Kristine Kathryn Rusch

short form

“The Long Haul: From the ANNALS OF TRANSPORTATION, The Pacific Monthly, May 2009”, Ken Liu

— 2014 —

long form

(tie) The Windsor Faction, D. J. Taylor

long form

(tie) Surrounded by Enemies: What If Kennedy Survived Dallas?, Bryce Zabel

short form

“The Weight of the Sunrise”, Vylar Kaftan

— 2013 —

long form

Dominion, C. J. Sansom

short form

“Something Real”, Rick Wilber

— 2012 —

long form

Wake Up and Dream, Ian R. MacLeod

short form

“Paradise Is a Walled Garden”, Lisa Goldstein

— 2011 —

long form

When Angels Wept, Eric G. Swedin

short form

“A Clash of Eagles”, Alan Smale

— 2010 —

long form

1942, Robert Conroy

short form

“The Fixation”, Alastair Reynolds

— 2009 —

long form

The Dragon's Nine Sons, Chris Roberson

short form

“Sacrifice”, Mary Rosenblum

— 2008 —

long form

The Yiddish Policemen's Union, Michael Chabon

short form

(tie) “Quaestiones Super Caelo et Mundo”, Michael F. Flynn

short form

(tie) “Recovering Apollo 8”, Kristine Kathryn Rusch

— 2007 —

long form

The Familty Trade, The Hidden Family, and The Clan Corporate, Charles Stross

short form

“Counterfactual”, Gardner Dozois

— 2006 —

long form

The Summer Isles, Ian R. MacLeod

short form

“Pericles the Tyrant”, Lois Tilton

— 2005 —

long form

The Plot Against America, Philip Roth

short form

Ministry of Space, Warren Ellis, Chris Weston & Laura DuPuy Martin

— 2004 —

long form

Collaborator, Murray Davies

short form

“O One”, Chris Roberson

— 2003 —

long form

(tie) The Severed Wing, Martin J. Gidron

long form

(tie) Ruled Britannia, Harry Turtledove

short form

“Empire”, William Sanders

— 2002 —

long form

The Children's War, J. N. Stroyar

short form

The Human Front, Ken MacLeod

— 2001 —

long form

Ash: A Secret History, Mary Gentle

short form

“Seventy-Two Letters”, Ted Chiang

— 2000 —

long form

Resurrection Day, Brendan DuBois

short form

“The Eighth Register”, Alain Bergeron, translated by Howard Scott

special achievement

Randall Garrett, for the “Lord Darcy” (series)

— 1999 —

long form

Making History, Stephen Fry

short form

“The Summer Isles”, Ian R. MacLeod

— 1998 —

long form

How Few Remain, Harry Turtledove

short form

“The Undiscovered”, William Sanders

special achievement

For Want of a Nail...: If Burgoyne Had Won at Saratoga, Robert Sobel

— 1997 —

long form

Voyage, Stephen Baxter

short form

“Foreign Devils”, Walter Jon Williams

— 1996 —

long form

Pasquale's Angel, Paul J. McAuley

short form

“Brigantia's Angels”, Stephen Baxter

special achievement

L. Sprague de Camp