All books in Chronologial Order according to http://www.benbova.net/gradtourlist.html
All Files are  MP3 and split into 10 min chunks.
Any Books not included in this torrent are due to me not knowing where they fall in the offical timeline. 

 
 00  Powersat (2005)
 01  Privateers
 02  Empire Builders (1993)
 03  Mars (1992)
 04  Moonrise (1996; The Moonbase Saga, v. 1)
 05  Moonwar (1998; The Moonbase Saga, v. 2)
 06  Return to Mars (1999)
 07  The Precipice (2001; The Asteroid Wars, v. 1)
 08  Jupiter (2001)
 09  The Rock Rats (2002; The Asteroid Wars, v. 2)
 10  The Silent War (2004; The Asteroid Wars, v. 3)
 11  The Aftermath (2007; The Asteroid Wars, v. 4)
 12  Saturn (2002)
 13  Leviathans of Jupiter (Feb 2011)
 14  Titan (2006, John W. Campbell Memorial Award)
 15  Mercury (2005)
 16  Mars Life (2008)
 17  Venus (2000)
 18  The Return (2009)
 19  Farside (novel) (2013)
 20  New Earth (2013; Star Quest Trilogy v. 1)
 21  Death Wave (2015; Star Quest Trilogy v. 2)