| Machinations by J. S. Breving - 2011 |
| Machine Gods of the Eternal Sea by Terry Lee Smith Jr - 2012 - 148 pages |
| Machine Gods of the Eternal Sea by Terry Lee Smith Jr - 2012 |
| Mad God's Wrath by James Axler - 2004 - 352 pages |
| Mad Skills by Walter Greatshell - 2010 - 320 pages |
| Maelstrom by Anne McCaffrey, Elizabeth Ann Scarborough - 2008 - 304 pages |
| Maelstrom by Anne McCaffrey, Elizabeth Ann Scarborough - 2008 - 304 pages |
| Magenta Zephyr and the Universe Bender by Tim Storm - 2009 |
| Magic and Galaxy by Matthew Steinberg - 2006 - 516 pages |
| Magic and Galaxy by Mathew Steinberg, Michael Steinberg - 2006 - 516 pages |
| Magicians of Gor by John Norman - 2007 |
| Magnificat by Julian May - 1996 - 427 pages |
| Mainframe- a Matter of Transfer by Simba Wiltz - 2006 - 346 pages |
| Maji by L. M. Meier - 2011 |
| Maji by J. Gerrard Scot - 2008 - 208 pages |
| Maji by J. Gerrard Scott - 2008 - 208 pages |
| Major Karnage by Gord Zajac - 2012 - 336 pages |
| Mammoth by John Varley - 2006 - 352 pages |
| Man and Wife by Wilkie Collins - 2004 |
| Man From the Moon by Otis Adelbert Kline - 2011 |
| Man of Destiny by F V Hank Helmick - 2013 |
| Man Over Mind by Dean Warren - 2001 |
| Man Spiral's Annoying Adventure by Kathleen A. Ramirez - 2004 - 368 pages |
| Mangel by Rochelle Hunter - 2008 |
| Manna by Lee Correy, George Harry Stine - 1984 - 239 pages |
| Manshape by John Brunner - 1982 - 159 pages |
| Mantis by Richard Webb - 2012 - 288 pages |
| Marauders of Gor by John Norman - 2008 |
| Marauders of the Roswell Links Episode Ii by Joshua Alam - 2010 |
| March to the Sea by David Weber, John Ringo - 2001 - 544 pages |
| March to the Stars by David Weber, John Ringo - 2003 - 526 pages |
| March Upcountry by David Weber, John Ringo - 2001 - 528 pages |
| Mariana by Fritz Leiber - 2011 |
| Marilyn's Mindset by Stuart P. Coates - 2010 - 680 pages |
| Market Forces by Richard K. Morgan - 2005 - 441 pages |
| Marooned on Eden by Robert L. Forward, Forward - 1993 - 384 pages |
| Mars 185 by David Czaplicki - 2008 - 212 pages |
| Mars 185 by David Czaplicki - 2008 - 212 pages |
| Mars 185 by David Czaplicki - 2008 - 212 pages |
| Mars Is... Away From Shelter by P. Rain - 2000 |
| Mars Life by Ben Bova - 2009 - 464 pages |
| Mars Life by Ben Bova - 2008 - 432 pages |
| Mars Life by Ben Bova - 2008 - 432 pages |
| Mars Needs Books! a Science Fiction Novel by Gary Lovisi - 2011 - 236 pages |
| Mars Settlements - III by R. J. Cantwell - 2002 - 184 pages |
| Marscape by J. Thomas Hunton - 2002 - 444 pages |
| Marscape by J. Hunton - 2002 |
| Martian Blues by Phyllis Twombly - 2008 - 188 pages |
| Martian Knightlife by James P. Hogan - 2003 - 384 pages |
| Martian Knightlife by James P. Hogan - 2001 - 288 pages |
| Martian Legacy by Fred Lane - 2010 |
| Masked - 2010 - 416 pages |
| Masks of the outcasts by Andre Norton - 2005 - 352 pages |
| Mass Effect: Ascension by Drew Karpyshyn - 2008 - 342 pages |
| Mass Effect: Deception by William C. Dietz - 2012 - 336 pages |
| Mass Effect: Retribution by Drew Karpyshyn - 2010 - 336 pages |
| Master of adventure by Richard A. Lupoff - 2005 - 307 pages |
| Master of the Asteroid by Clark Ashton Smith - 2011 |
| Master of the Force by Karl Kaulback - 2007 - 156 pages |
| Master Of The Four Keys Of Time by O. J. Barnes - 2008 - 220 pages |
| Masters of Daarm by Brett Hall - 2002 |
| Masters of Daarm by Brett A. Hall - 2002 - 308 pages |
| Matched-conic solutions to round-trip interplanetary trajectory problems that insure state-vector continuity at all boundaries by Victor R. Bond, Manned Spacecraft Center (U.S.), United States. National Aeronautics and Space Administration - 1969 - 31 pages |
| Mathematicians in Love by Rudy Rucker - 2008 - 368 pages |
| Mathematicians in Love by Rudy Rucker - 2008 - 368 pages |
| Mathematicians in Love by Rudy Rucker - 2006 - 364 pages |
| Matter by Iain Banks - 2009 - 593 pages |
| Matter by Iain Banks - 2008 - 593 pages |
| Maurice on the Moon by Daniel Barth - 2006 - 116 pages |
| Maximum Ride: Esperimento Angel by James Patterson - 2010 - 416 pages |
| Maximum warp by Dave Galanter, Greg Brodeur - 2001 - 236 pages |
| Maximum Warp Book One by Dave Galanter, Greg Brodeur - 2001 - 256 pages |
| Maximum Warp Book Two by Dave Galanter, Greg Brodeur - 2001 - 240 pages |
| Maza of the Moon by Otis Adelbert Kline - 2011 |
| Mazes of Scorpio [Dray Prescot #27] by Alan Burt Akers - 2007 |
| McCade on the Run by William C. Dietz - 2005 - 368 pages |
| Med Ship by Murray Leinster, Eric Flint - 2002 - 640 pages |
| Med Ship by Murray Leinster, Eric Flint, Guy Gordon - 2002 - 640 pages |
| Mefisto in Onyx by Harlan Ellison - 1993 - 91 pages |
| Melchior's Fire by Jack L. Chalker - 2001 - 277 pages |
| Memo to the Leader by William Walling - 2005 - 268 pages |
| Memory by Linda Nagata - 2005 - 416 pages |
| Memory by Linda Nagata - 2003 - 416 pages |
| Memory (Hardcover) by Lois McMaster Bujold - 1996 - 462 pages |
| Memory's Child by Lynnette Spratley - 2012 - 318 pages |
| Men in Black by Dean Wesley Smith - 2000 - 272 pages |
| Men in Black by Dean Wesley Smith - 2000 - 272 pages |
| Men in black by Steve Perry, Ed Solomon - 1997 - 240 pages |
| Menace in Morea by Ally Mahin - 2004 - 448 pages |
| Menace in Morea by Ally Mahin - 2004 |
| Mentor's Lair by Karen Daniels - 2011 - 312 pages |
| Mercenaries of Gor by John Norman - 2007 |
| Mercenaries of tomorrow by Poul Anderson - 1985 - 372 pages |
| Mercenary Angels by John M. Evans - 2009 - 688 pages |
| Mercenary Angels by John M. Evans - 2009 |
| Mercury by Ben Bova - 2006 - 320 pages |
| Mercury by Ben Bova - 2006 - 334 pages |
| Mercury by Ben Bova - 2005 - 319 pages |
| Mercury by Ben Bova - 2005 - 319 pages |
| Mercury Man by Tom Henighan - 2004 - 253 pages |
| Mercury Rapids by Steven Johnson - 2004 - 152 pages |
| Mercury's Curse by Erik Hyrkas - 2012 - 254 pages |
| Mercury's Curse by Erik Hyrkas - 2012 - 254 pages |
| Mercury's Curse by Erik Hyrkas - 2012 - 254 pages |
| Mercy Kill: Star Wars (X-Wing) by Aaron Allston - 2012 - 416 pages |
| Merkabah Rider by Edward Michael Erdelac - 2009 - 287 pages |
| Messengers From The West Mountain by C. R. Truitt - 2007 - 304 pages |
| Metal fire by Jack McKinney - 1987 - 216 pages |
| Metal Swarm by Kevin J. Anderson - 2007 - 461 pages |
| Metal Swarm by Kevin J. Anderson - 2007 |
| Metaphysical Short Stories by R. Neville Johnston - 2011 |
| Metaphysical Short Stories by R. Neville Johnston - 2011 - 228 pages |
| Mett Haar Rising by John McGuire - 2006 - 348 pages |
| Mickey & Nadika by Jenna Lindsey - 2012 |
| Micro by Michael Crichton, Richard Preston - 2011 - 560 pages |
| Microscopic Giants by Paul Ernst - 2011 |
| Midnight at the Well of Souls by Jack L. Chalker - 1977 - 360 pages |
| Midnight City by J. Barton Mitchell - 2012 - 374 pages |
| Midniite Prizm by Randy Hunsucker - 2008 - 425 pages |
| Midworld by Alan Dean Foster - 2012 - 214 pages |
| Migration by Julie Czerneda - 2006 - 527 pages |
| Miles Errant by Lois McMaster Bujold - 2002 - 752 pages |
| Millennium Falcon: Star Wars by James Luceno - 2009 - 336 pages |
| Mind Capsule by Jack W. Chalmers - 2009 |
| Mind Changer by James White - 1999 - 304 pages |
| Mind Changer by James White - 1998 - 301 pages |
| Mind Games by William Walling - 2005 - 292 pages |
| Mind Storm by K. M. Ruiz - 2011 - 320 pages |
| Mindflight by Stephen Goldin - 2011 - 258 pages |
| Minds Machines & Evolution by James P. Hogan - 1999 - 384 pages |
| Mindsearch by Stephen Goldin - 2011 - 196 pages |
| Mindspark by Karen Daniels - 2011 - 512 pages |
| Mindstar Rising by Peter F. Hamilton - 1997 - 432 pages |
| Mindswap by Robert Sheckley - 2006 - 224 pages |
| Mindswap by Robert Sheckley - 2006 - 224 pages |
| MindWar by Darrell Bain - 2005 |
| Mines of Luna by John Mark Simpson - 2003 - 302 pages |
| Miracle Workers, S.C.E. Book Two by Keith R. A. DeCandido, Kevin Dilmore, David Mack, Dayton Ward - 2002 - 464 pages |
| Mirage by Perry Brass - 2001 - 219 pages |
| Mirror Dance by Lois McMaster Bujold - 1994 - 392 pages |
| Miscorrection by B.C. Young - 2011 - 208 pages |
| Miscorrection by B.C. Young - 2011 - 208 pages |
| Mishka by Carrol Fix - 2005 |
| Missing Link by Peter Morse - 2006 |
| Mission 14 by Anne Rogers - 2008 - 141 pages |
| Mission Child by Maureen F. McHugh - 1999 - 370 pages |
| Mission child by Maureen F. McHugh - 1998 - 385 pages |
| Mission Earth by Ailen Garcia - 2010 |
| Mission For The Universe by Boris TZAPRENKO, Paul Théorêt - 2010 |
| Mission Gamma Book Four by Robert Simpson - 2002 - 288 pages |
| Mission Gamma Book One by David R. George III - 2002 - 528 pages |
| Mission Gamma Book One by David R. George, David R. George III - 2002 - 528 pages |
| Mission Gamma Book Three by Michael A. Martin, Andy Mangels - 2002 - 432 pages |
| Mission Gamma Book Two by Heather Jarman - 2002 - 416 pages |
| Mission of the Galactic Salesman by Robert S. Sanders, Jr. - 1996 - 328 pages |
| Mission pour l'Univers by Boris TZAPRENKO |
| Mission to the Stars by Ted Iverson - 2009 - 412 pages |
| Mission to the Stars by Ted Iverson - 2009 |
| Mission Ziffoid by Michael Rosen, Arthur Robins - 1999 - 24 pages |
| Mission: interplanetary by Alfred Elton Van Vogt - 1952 - 174 pages |
| Misspent Youth by Peter F. Hamilton - 2008 - 416 pages |
| Model 16 by Khalid Mahmood - 2006 - 180 pages |
| Mom's Metal Men by Robin Amrine - 2012 - 260 pages |
| Mom's Metal Men by Robin Amrine - 2012 |
| Moment of Truth by Basil Wells - 2011 |
| Monitors by Darrell Bain - 2005 |
| Montauk Babies by O. H. Krill - 2006 - 116 pages |
| Moon Secrets by J. J. Gregory - 2011 - 336 pages |
| Moon Vision by John E. Adams - 2002 - 280 pages |
| Moonfall by Jack McDevitt - 2009 - 560 pages |
| Moonfall by Tamara Thorne - 2003 - 432 pages |
| Moonlight by Kevin Hiner - 2010 - 398 pages |
| Moonrise by Mitchell Smith - 2007 - 480 pages |
| Moonrise by Mitchell Smith - 2004 - 480 pages |
| Moonrise by Ben Bova - 1998 - 576 pages |
| Moons Of Zebulon by John Michael Meyer - 2010 - 268 pages |
| Moonstruck by Edward M. Lerner - 2007 - 406 pages |
| Moonstruck by Edward M. Lerner - 2005 - 291 pages |
| More Than Honor by David Weber, David Drake, S. M. Stirling - 1998 - 384 pages |
| More Than Mortal by Mick Farren - 2002 - 432 pages |
| Mortal Kombat by Jeff Rovin - 1995 - 293 pages |
| Mostly Harmless by Douglas Adams - 2009 - 240 pages |
| Mostly Harmless by Douglas Adams - 2009 - 230 pages |
| Mostly harmless by Douglas Adams - 1993 - 277 pages |
| Mostly harmless by Douglas Adams - 1992 - 277 pages |
| Mostly harmless by Douglas Adams - 1992 - 277 pages |
| Mostly Harmless by Douglas Adams - 1992 - 288 pages |
| Mother Feral's Love by Lawrence Barker - 2006 - 292 pages |
| Mother of Demons by Eric Flint - 1997 - 384 pages |
| Mudslide by Penn Mullin - 1984 - 44 pages |
| Mundus Cerialis (Space by Sharon Bidwell, Andy Frankham-Allen - 2012 |
| Murder in Space by David V Reed - 2009 - 132 pages |
| Murder in Space by David V Reed - 2009 - 132 pages |
| Murder in the Solid State by Wil McCarthy - 1998 - 288 pages |
| Murphy's Gambit by Syne Mitchell - 2000 - 377 pages |
| Mutant Chronicles by Matt Forbeck - 2008 - 288 pages |
| Mutant Chronicles by Matt Forbeck - 2008 - 280 pages |
| Mutineer by Mike Shepherd - 2004 - 389 pages |
| My Guardian by Megan Cohen - 2012 - 256 pages |
| My Half of Tomorrow by John L. Dunegan - 2011 |
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