Winning for Best Graphic Story was Kaja and Phil Foglio's Girl Genius Volume 8: Agatha Heterodyne and the Chapel of Bones (in Hardcover and trade paperback) published by Airship Entertainment.

See Girl Genius editions HERE!

 HUGO AWARD WINNERS COMPLETE LIST.

• Best Novel: The Graveyard Book, Neil Gaiman (HarperCollins; Bloomsbury UK)
• Best Novella: “The Erdmann Nexus”, Nancy Kress (Asimov’s Oct/Nov 2008)
• Best Novelette: “Shoggoths in Bloom”, Elizabeth Bear (Asimov’s Mar 2008)
• Best Short Story: “Exhalation”, Ted Chiang (Eclipse Two)
• Best Related Book: Your Hate Mail Will Be Graded: A Decade of Whatever, 1998-2008, John Scalzi (Subterranean Press)
• Best Graphic Story: Girl Genius, Volume 8: Agatha Heterodyne and the Chapel of Bones, Written by Kaja & Phil Foglio, art by Phil Foglio, colors by Cheyenne Wright (Airship Entertainment)
• Best Dramatic Presentation, Long Form: WALL-E Andrew Stanton & Pete Docter, story; Andrew Stanton & Jim Reardon, screenplay; Andrew Stanton, director (Pixar/Walt Disney)
• Best Dramatic Presentation, Short Form: Doctor Horrible’s Sing-Along Blog, Joss Whedon, & Zack Whedon, & Jed Whedon, & Maurissa Tancharoen, writers; Joss Whedon, director (Mutant Enemy)
• Best Editor Short Form: Ellen Datlow
• Best Editor Long Form: David G. Hartwell
• Best Professional Artist: Donato Giancola
• Best Semiprozine: Weird Tales, edited by Ann VanderMeer & Stephen H. Segal
• Best Fan Writer: Cheryl Morgan
• Best Fanzine: Electric Velocipede edited by John Klima
• Best Fan Artist: Frank Wu

And the John W. Campbell Award for Best New Writer (presented by Dell Magazines): David Anthony Durham

Courtesy of  http://www.thehugoawards.org/