| J. G. Ballard. Visioni by Re/Search - 2008 - 222 pages |
| Jack and the Aktuals, or, Physical Applications of Transfinite Set Theory by Rudy Rucker - 2010 - 32 pages |
| Jack Glass by Adam Roberts - 2012 - 368 pages |
| Jack Knife by Virginia Baker - 2007 - 343 pages |
| Jack of Eagles by James Blish - 2011 - 256 pages |
| Jack of Swords by E.C. Tubb - 2011 - 152 pages |
| Jack the Bodiless by Julian May - 2013 - 592 pages |
| Jack the Bodiless by Julian May - 2011 - 489 pages |
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| Jagd auf Ikarus by Timothy Zahn - 2010 - 608 pages |
| Jaguar by Bill Ransom - 2001 - 300 pages |
| Jaguar by Bill Ransom - 1990 - 359 pages |
| Jake's Law by William J. Coleman - 2012 - 608 pages |
| Jammer by James V. Mcknight - 2007 |
| Jane Saint and the Backlash by Josephine Saxton - 2011 - 320 pages |
| Janissaries by Jerry Pournelle - 1981 |
| Janissaries, clan and crown by Jerry Pournelle - 1983 - 383 pages |
| Janus by John Park - 2012 - 300 pages |
| Janus by Betsy Mccall - 2009 |
| Japan sinks by Sakyō Komatsu, Michael Gallagher - 1995 - 238 pages |
| Jarrod by Claudette Graham - 2003 - 264 pages |
| Jason and the Golden Coin by Monika Rossa Wheatley - 2010 - 52 pages |
| Jason Son of Jason by J. U. Giesy - 2012 |
| Jaunt by Erik Kreffel - 2007 - 352 pages |
| Jaws of Darkness by Harry Turtledove - 2012 - 576 pages |
| Jaydium by Deborah Wheeler - 1993 - 352 pages |
| Je mourrai pas gibier by Guillaume Guéraud - 2011 - 79 pages |
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| Jedi Bounty by Kevin J. Anderson, Rebecca Moesta - 1997 - 231 pages |
| Jedi Knight: Dark Forces II by Rick Barba - 1997 - 424 pages |
| Jedi under siege by Kevin J. Anderson, Rebecca Moesta - 1996 - 230 pages |
| Jeeapa by Paul D. Escudero - 1997 - 181 pages |
| Jefferson's War by Kevin Randle - 1992 - 185 pages |
| Jefferson's War by Kevin Randle - 1991 - 187 pages |
| Jem by Frederik Pohl - 1994 - 359 pages |
| Jem by Frederik Pohl - 1979 - 359 pages |
| Jenseits der Inseln by Martina Dr. Schäfer - 2012 |
| Jenseits Des Horizonts by Carl Roeder - 2009 - 276 pages |
| Jeremy X by David Weber, Eric Flint - 2011 - 512 pages |
| Jernigan's Egg by Richard Mueller - 1986 - 341 pages |
| Jerusalem Commands: Between the Wars, Vol. 3 by Michael Moorcock - 2006 - 592 pages |
| Jesus on Mars by Philip José Farmer - 1979 - 256 pages |
| Jesús vs. Einstein by Daimon - 2007 - 128 pages |
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| Jettbobs by Roland L. Chamberlain - 2007 |
| Jewel of Jarhen by E.C. Tubb - 2011 - 111 pages |
| Jill Warrior of the Universe by Carl Maxwell - 2009 - 134 pages |
| Jim's Life by Jason Matthews - 2009 |
| Jimmy Crack Corn by Mitchell Green - 2004 - 64 pages |
| Jimmyland by Tom Lichtenberg - 2011 |
| Jinian Footseer by Sheri S. Tepper - 2011 - 284 pages |
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| Johnnie and the Demon Queen by Erick Braun - 2005 - 420 pages |
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| Jondelle by E.C. Tubb - 2011 - 159 pages |
| Joshua's Journey by M. C. Lagrange - 2005 - 200 pages |
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| Journey to Mars by E.C. Tubb - 2011 - 144 pages |
| Journey to Mars by Gustavus W. Pope - 2008 - 548 pages |
| Journey to Mars by Gustavus W. Pope - 1974 - 543 pages |
| Journey to Mars by Gustavus W. Pope - 1974 - 543 pages |
| Journey to the Center of the Earth by Jules Verne, Scott McKowen - 2007 - 244 pages |
| Journey to the Center of the Earth by Jules Vern - 2005 - 61 pages |
| Journey to the Center of the Earth by Jules Verne - 2003 - 300 pages |
| Journey to the Centre of the Earth by Jules Verne - 2011 - 192 pages |
| Journey to the Centre of the Earth by Jules Verne - 2008 - 337 pages |
| Journey to the Centre of the Earth by Jules Verne - 2003 - 195 pages |
| Journey to the centre of the earth by Jules Verne - 1992 - 234 pages |
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| Jovian Inferno by R. A. Minghenelli - 2003 - 296 pages |
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| Jubilation by G. L. Vandenburg - 2011 |
| Jubilee by Jack Dann - 2004 - 448 pages |
| Jubilee by Jack Dann - 2004 - 448 pages |
| Jubilee by Jack Dann - 2004 - 448 pages |
| Jubilee by Jack Dann - 2004 - 448 pages |
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| Justice by J. F. Hutton - 2011 |
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| Justifiers - Autopilot by Thomas Plischke - 2012 - 640 pages |
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