The Locus Award finalists were announced on April 19, 2010. The winners will be announced on Science Fiction Weekend in Seattle, Washington, June 25-27, 2010.

Science Fiction Novel
The Empress of Mars, Kage Baker
Steal Across the Sky, Nancy Kress
Boneshaker, Cherie Priest
Galileo's Dream, Kim Stanley Robinson
Julian Comstock: A Story of 22nd-Century America, Robert Charles Wilson

Fantasy Novel
The City & The City, China Miéville
Unseen Academicals, Terry Pratchett
Drood, Dan Simmons
Palimpsest, Catherynne M. Valente
Finch, Jeff VanderMeer

First Novel
The Windup Girl, Paolo Bacigalupi
The Manual of Detection, Jedediah Berry
Soulless , Gail Carriger
Lamentation , Ken Scholes (reviewed here)
Norse Code, Greg van Eekhout

Young-Adult Novel
The Hotel Under the Sand, Kage Baker (reviewed here)
Going Bovine, Libba Bray
Catching Fire, Suzanne Collins
Liar, Justine Larbalestier
Leviathan, Scott Westerfeld

Novella
The Women of Nell Gwynne's, Kage Baker
“Act One”, Nancy Kress
“Vishnu at the Cat Circus”, Ian McDonald (Cyberabad Days)
Shambling Towards Hiroshima, James Morrow
“Palimpsest”, Charles Stross (Wireless)

Novelette
“By Moonlight”, Peter S. Beagle (We Never Talk About My Brother)
“It Takes Two”, Nicola Griffith (Eclipse 3)
“First Flight”, Mary Robinette Kowal
“Eros, Philia, Agape”, Rachel Swirsky
“The Island”, Peter Watts (The New Space Opera 2)

Short Story
“The Pelican Bar”, Karen Joy Fowler (Eclipse 3)
“An Invocation of Incuriosity”, Neil Gaiman (Songs of the Dying Earth)
“Spar”, Kij Johnson (Clarkesworld 10/09)
“Going Deep”, James Patrick Kelly (Asimov’s 6/09)
“Useless Things”, Maureen F. McHugh (Eclipse 3)

Magazine
Analog
Asimov’s
Clarkesworld
F&SF
Tor.com

Publisher
Baen
Night Shade
Pyr
Subterranean
Tor

Anthology
Lovecraft Unbound, Ellen Datlow, ed.
The New Space Opera 2, Gardner Dozois & Jonathan Strahan, eds.
The Year's Best Science Fiction: Twenty-Sixth Annual Collection, Gardner Dozois, ed.
Songs of the Dying Earth: Stories in Honor of Jack Vance, George R.R. Martin & Gardner Dozois, eds.
Eclipse 3, Jonathan Strahan, ed.

Collection
We Never Talk About My Brother, Peter S. Beagle (reviewed here)
Cyberabad Days, Ian McDonald
Wireless, Charles Stross
The Best of Gene Wolfe: A Definitive Retrospective of His Finest Short Fiction, Gene Wolfe
Threshold - Volume 1: The Collected Stories of Roger Zelazny: Volumes 1-6, Roger Zelazny

Editor
Ellen Datlow
Gardner Dozois
David G. Hartwell
Jonathan Strahan
Gordon Van Gelder

Artist
Stephan Martinière
John Picacio
Shaun Tan
Charles Vess
Michael Whelan

Non-fiction/Art Book
Powers: Secret Histories, John Berlyne
Spectrum 16: The Best in Contemporary Fantastic Art, Cathy & Arnie Fenner, eds.
Cheek by Jowl, Ursula K. Le Guin
This is Me, Jack Vance!, Jack Vance
Drawing Down the Moon: The Art of Charles Vess, Charles Vess