Ehlana, queen of Elenia, clings to life by a thread, preserved within a diamond-like block of crystal conjured by a sorceress with the aid of a dozen Pandion knights. For a year, their lives will save hers. However there is a lost jewel which will save her life, if it can be found.
Genre:
Fantasy 
Hardback Editions
November 1991 : USA Library Binding
Title: The Ruby Knight (Turtleback School & Library Binding Edition)
Author(s): David Eddings
ISBN: 0-613-63072-6 / 978-0-613-63072-6 (USA edition)
Publisher: Turtleback Books
Availability:
Amazon Amazon UK Amazon CA April 1992 : USA Hardback
Title: The Ruby Knight
Author(s): David Eddings
ISBN: 0-517-08367-1 / 978-0-517-08367-3 (USA edition)
Publisher: Random House Value Publishing
Availability:
Amazon Amazon CA December 1991 : USA Turtleback
Title: The Ruby Knight (The Elenium)
Author(s): David Eddings
ISBN: 0-606-01250-8 / 978-0-606-01250-8 (USA edition)
Publisher: Demco Media
Availability:
Amazon UK Amazon CA November 1990 : USA Hardback
Title: The Ruby Knight (Book Two of The Elenium)
Author(s): David Eddings
ISBN: 0-345-37043-0 / 978-0-345-37043-3 (USA edition)
Publisher: Del Rey Books
Availability:
Amazon Amazon UK Amazon CA October 1990 : UK Hardback
Title: The Ruby Knight (The Elenium)
Author(s): David Eddings
ISBN: 0-246-13346-5 / 978-0-246-13346-5 (UK edition)
Publisher: Grafton
Availability:
Amazon Amazon UK Amazon CA Paperback Editions
March 2015 : UK Paperback
Title: The Ruby Knight (The Elenium Trilogy, Book 2)
Author(s): David Eddings
ISBN: 0-00-757898-9 / 978-0-00-757898-6 (UK edition)
Publisher: HarperVoyager
Availability:
Amazon Amazon UK 1991 : UK Paperback
Title: The Ruby Knight (The Elenium Trilogy)
Author(s): David Eddings
ISBN: 0-586-20373-7 / 978-0-586-20373-6 (UK edition)
Publisher: Voyager
Availability:
Amazon Amazon UK Amazon CA June 2002 : UK Paperback
Title: The Ruby Knight: Book Two of the Elenium (Voyager Classics)
Author(s): David Eddings
ISBN: 0-00-712782-0 / 978-0-00-712782-5 (UK edition)
Publisher: Voyager
Availability:
Amazon Amazon UK November 1991 : USA Mass Market Paperback
Title: The Ruby Knight (Book Two of the Elenium)
Author(s): David Eddings
ISBN: 0-345-37352-9 / 978-0-345-37352-6 (USA edition)
Publisher: Del Rey
Availability:
Amazon Amazon UK Amazon CA April 1991 : UK Paperback
Title: The Ruby Knight (The Elenium)
Author(s): David Eddings
ISBN: 0-246-13731-2 / 978-0-246-13731-9 (UK edition)
Publisher: Grafton
Availability:
Amazon Amazon UK Amazon CA 1991 : USA Paperback
Title: The Ruby Knight
Author(s): David Eddings
ISBN: 0-345-37240-9 / 978-0-345-37240-6 (USA edition)
Publisher: Del Rey
Availability:
Amazon Audio Editions
August 2016 : MP3 CD
Title: The Ruby Knight (The Elenium)
Author(s): David Eddings
ISBN: 1-5226-8915-X / 978-1-5226-8915-7
Publisher: Audible Studios on Brilliance Audio
Availability:
Amazon Amazon CA July 2008 : USA Audio edition
Title: The Ruby Knight: The Elenium, Book 2
Author(s): David Eddings
Publisher: Audible Studios
Availability:
Amazon July 2008 : UK Audio edition
Title: The Ruby Knight: The Elenium, Book 2
Author(s): David Eddings
Publisher: Audible Studios
Availability:
Amazon UK Kindle Editions
June 2010 : UK Kindle edition
Title: The Ruby Knight (The Elenium Trilogy, Book 2)
Author(s): David Eddings
Publisher: HarperVoyager
Availability:
Amazon UK 
