Best Related Book
This category was only introduced in the 1999 Hugo Awards. Prior to that there was an award called Best Non-Fiction Book. The reason for the change was to include items such as comics that are fiction but are not books.
2006 Storyteller: Writing Lessons and More from 27 Years of the Clarion Writers’ Workshop by Kate Wilhelm (Small Beer Press)
2005 The Cambridge Companion to Science Fiction ed. by Edward James and Farah Mendlesohn (Cambridge University Press)
2004 The Chesley Awards for Science Fictiion and Fantasy Art: A Retrospective by John Grant, Elizabeth L. Humphrey, and Pamela D. Scoville (Artist's & Photographer's Press Ltd.)
2003 Better to Have Loved: The Life of Judith Merril by
Judith Merril and Emily Pohl-Weary (Between the Lines)
2002 The Art of Chesley Bonestell by Ron Miller & Frederick C. Durant III, with Melvin H. Schuetz (Paper Tiger)
2001 Greetings from Earth: the art of Bob Eggleton, Bob Eggleton & Nigel Suckling (Paper Tiger)
2000 Science Fiction of the 20th Century, by Frank M. Robinson
1999 The Dreams Our Stuff is Made Of, by Thomas M. Disch
"Hugo Award" is a service mark of the World Science Fiction Society, an unincorporated literary society.