HAL CLEMENT AWARD (YOUNG ADULT)
2009	Little Brother, Cory Doctorow
(tie)	The Hunger Games, Suzanne Collins
2008	Sky Horizon: Colony High, Book One, David Brin, illustrated by Scott Hampton
2007	Rash, Peter Hautman
2006	Uglies, Scott Westerfeld
2005	Balance of Trade, Sharon Lee & Steve Miller
2004	Gunpowder Empire, Harry Turtledove
2003	Feed, M. T. Anderson
2002	This Side of Paradise, Steven Layne
2001	Jumping Off the Planet, David Gerrold
2000	David Brin's Out of Time 3: The Game of Worlds, Roger MacBride Allen
1999	Alien Dreams, Larry Segriff
1998	The Dark Side of Nowhere, Neal Shusterman
1997	Wildside, Steven Gould
1996	The Night Room, E. M. Goldman
(tie)	The Winds of Mars, H. M. Hoover
1995	The Ear, the Eye, and the Arm, Nancy Farmer
1994	The Giver, Lois Lowry
1993	River Rats, Caroline Stevermer
1992	Invitation to the Game, Monica Hughes
	MIDDLE GRADES
2009	Lighter than Air, Henry Melton
2008	Gravity Buster: Journal #2 of a Cardboard Genius, Frank Asch
(tie)	Shanghaied to the Moon, Michael J. Daley
2007	Apers, Mark Jansen & Barbara Day Zinicola
2006	Whales on Stilts!, M. T. Anderson
2006	The Fran that Time Forgot, Jim Benton
2005	The Supernaturalist, Eoin Colfer
2004	Escape from Memory, Margaret Peterson Haddix
2003	Andrew Lost, J. C. Greenburg
2002	Beatnik Rutabagas from beyond the Stars, Quenin Dodd
2001	The Power of UN, Nancy Etchemendy
2000	I Was a 6th Grade Alien, Bruce Coville
1999	Star Wars: Young Jedi Knights, Kevin J. Anderson & Rebecca Moestra
1998	Mike Gonzo and the UFO Terror, Bill Crider
1997	Animorphs: The Message, K. A. Applegate
1996	Star Hatching, Margaret Bechard
1995	Shape Changer, Bill Brittain
1994	Star Fleet Academy: Worf's First Adventure, Peter David
1993	Weirdos of the Universe, Unite!, Pamela F. Service
1992	My Teacher Glows in the Dark, Bruce Coville
	PICTURE BOOK
2009	We're Off To Look For Aliens, Colin McNaughton
2008	Mars Needs Moms, Berkeley Breathed
2007	Night of the Homework Zombies, Scott Nickel, illustrated by Steve Harpster
2006	Captain Raptor and the Moon Mystery, Kevin O'Malley & Patrick O'Brien
2005	Science Verse, Jon Scieszka & Lane Smith
2004	Hazel Nutt: Mad Scientist, David Elliott, illustrated by True Kelley
2003	Star Wars Episode II: Attack of the Clones - Incredible Cross-Sections, Curtis J. Saxton, illustrated by Hens Jenssen & Richard Chasemore
2002	Baloney (Henry P.), Jon Scieszka, illustrated by Lane Smith
2001	Rex, Robert Gould & Kathleen Duey, illustrated by Eugene Epstein
2000	Hush, Little Alien, Daniel Kirk
1999	Noah and the Space Ark, Laura Cecil, illustrated by Emma Chichester Clark
1998	Floating Home, David Getz, illustrated by Michael Rex
1997	Grandpa Takes Me to the Moon, Timothy R. Gaffney, illustrated by Barry Root
1996	Insects from Outer Space, Frank Asch & Vladimir Vagin, illustrated by Vladimir Vagin
1995	Time Flies, Eric Rohmann
1994	Richie's Rocket, Joan Anderson, illustrated by George Ancona
1993	June 29, 1999, David Wiesner
1992	Time Train, Paul Fleishman, illustrated by Clarie Ewart
	SPECIAL AWARD
2008	Stone Arch Books (for quality SF graphic novels to attract young SF fans)
2008	World of Science Fiction, John Hamilton
2007	Write Your Own Science Fiction Story, Tish Farrell
2006	Bruce Coville & Full Cast Audio Family, Cover of "Rolling Stones" (by Robert A. Heinlein)
2000	J. K. Rowling
1999	Garth Nix
1998	Kipton and the Android, Charles Fontenay
	SPECIAL AWARD: BEST SCIENCE AND TECHNOLOGY EDUCATION
2003	Tales of the Wonderzone, Julie E. Czerneda, ed.