- The Witch's Boy [Audio] [Mp3] [Unabridged] by Michael Gruber, 2010
- The Book of Air and Shadows by Michael Gruber, 2008-01-01
- LIBRO DEL AIRE Y DE LAS SOMBRAS. EL by Gruber Michael, 2008
- Hey Papa. Einfach mit Herz. by Michael Gruber, Manfred Lingen, 2003-01-01
- 2 Books--Night of the Jaguar (Jimmy Paz) and Topic of the Night by Michael Gruber, 2007-01-01
- nuit du jaguar (La) by Denis Bouchain Michael Gruber, 2009-02-16
- Versicherungsvertragsgesetz: Kommentar (German Edition)
- The Legend of the Brog by Michael Gruber, 2005-09-30
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- Forge School records (1861-1871) (Tulpehocken turtle : Die Shilgrut fun der Tulpehocken) by Michael A Gruber, 1977
- The Good Son: A Novel by Michael Gruber, 2010
- Visual Architecture Spring 2001: Boston by Gruber. Michael L., 2001
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