| 170 ore con gli extraterrestri. Incontri con viaggiatori intergalattici sulle Ande peruviane by Vlado Kapetanovic - 2004 - 136 pages |
| 2012, the Next Y2k? by C. William King - 2011 - 140 pages |
| 38 Messages from Space by David Crawford - 2008 - 110 pages |
| A Bordo Dei Dischi Volanti by George Adamski - 1996 - 200 pages |
| A Close Look at Close Encounters by Daniel Cohen - 1981 - 176 pages |
| A Covert Agenda by Nick Redfern - 2004 - 354 pages |
| A covert agenda by Nicholas Redfern - 1997 - 354 pages |
| A flying saucer full of spaghetti by Fernando Krahn - 1970 - 29 pages |
| A history of space flight by Eugene Morlock Emme - 1965 - 224 pages |
| A New Order of the Ages by Collin Robert Bowling - 2011 |
| A New Order of the Ages by Collin Robert Bowling - 2011 |
| A Son Of Old Atlantis by Victor Asimorov, Ida M. Kannenberg - 2007 - 224 pages |
| A Vida Secreta by DAVID JACOBS - 350 pages |
| A Wider World of Hope and Joy by Jane Egan - 2001 - 241 pages |
| Abducted by Susan A. Clancy - 2005 - 179 pages |
| Abducted! by Debbie Jordan, Kathy Mitchell - 1995 - 309 pages |
| Abduction by John E. MacK - 1995 - 464 pages |
| Abduction by John E. MacK - 1994 - 432 pages |
| Abduction by John E. Mack - 1994 - 683 pages |
| Abductions & Aliens by Chris A. Rutowski, John Robert Colombo - 1999 - 265 pages |
| Abductions & Aliens by Chris A. Rutowski, John Robert Colombo - 1999 - 265 pages |
| After contact by Albert A. Harrison - 1997 - 363 pages |
| After the Martian Apocalypse by Mac Tonnies - 2004 - 304 pages |
| Alien abduction? by Philippa Wingate, Stephen Wright, Gary Bines, John Spencer, Anne Spencer - 1998 - 48 pages |
| Alien abductions by Terry Matheson - 1998 - 317 pages |
| Alien abductions by Peter Brookesmith - 1998 - 176 pages |
| Alien Abductions by Terry Matheson - 1998 - 317 pages |
| Alien Agenda by Jim Marrs - 2000 - 480 pages |
| Alien Agenda by Jim Marrs - 2000 - 480 pages |
| Alien Agenda by Jim Marrs - 1998 - 704 pages |
| Alien agenda by Jim Marrs - 1997 - 434 pages |
| Alien Alert! by Paul Revere - 2003 - 168 pages |
| Alien Alert! by Paul Revere - 2001 |
| Alien Alert! by Paul Revere - 1999 - 168 pages |
| Alien Contact by Bonnie Meyer - 2006 - 268 pages |
| Alien contact by Herbie Brennan - 1998 - 189 pages |
| Alien Contact by Jenny Randles - 1997 - 144 pages |
| Alien Contacts & Abductions by Jenny Randles - 1994 - 191 pages |
| Alien dawn by Colin Wilson - 1998 - 322 pages |
| Alien Dawn: An Investigation into the Contact Experience by Colin Wilson - 2012 - 400 pages |
| Alien Encounters by Judy L. Clarke - 2011 |
| Alien Encounters by Judy L. Clarke - 2011 - 156 pages |
| Alien Encounters by James L. Thompson - 1995 - 261 pages |
| Alien Encounters by Time-Life Books - 1992 - 144 pages |
| Alien Intervention by Paul Christopher - 1998 - 208 pages |
| Alien Landing by Terry Deary - 2004 - 89 pages |
| Alien Landing by Terry Deary - 2004 - 89 pages |
| Alien Life by Barry R. Parker - 1998 - 254 pages |
| Alien Meetings by Brad Steiger - 1978 - 213 pages |
| Alieni in Italia. 50 anni di incontri ravvicinati: 1945-1995 by Moreno Tambellini - 1996 - 272 pages |
| Aliens by Bryan Appleyard - 2005 - 340 pages |
| Aliens by Marcus Day - 1999 - 124 pages |
| Aliens by Andrew J. H. Clark, David H. Clark - 1999 - 293 pages |
| Aliens by Christopher Kenworthy, Roger O'Reilly - 1998 - 142 pages |
| Aliens by Marcus Day - 1997 - 124 pages |
| Aliens by Damon Wilson - 1997 - 176 pages |
| Aliens Adored by Susan J. Palmer - 2004 - 226 pages |
| Aliens Among Us by ExRob - 2011 - 100 pages |
| Aliens from space by Donald Edward Keyhoe - 1973 - 322 pages |
| Aliens Gold Tenth Planet by Mike Brumfield - 2003 - 160 pages |
| Aliens Gold Tenth Planet by Mike Brumfield - 2003 - 160 pages |
| Aliens in America by William J. Birnes - 2010 - 256 pages |
| Aliens in America by William J. Birnes - 2010 - 256 pages |
| Aliens in the Bible by John W. Milor - 2000 - 342 pages |
| Aliens in the skies by United States. Congress. House. Committee on Science and Astronautics, Edward Uhler Condon - 1969 - 217 pages |
| Aliens in the skies by United States. Congress. House. Committee on Science and Astronautics, Edward Uhler Condon - 1969 - 217 pages |
| Aliens on earth! by Joshua Strickland - 1977 - 94 pages |
| Aliens UFO's and Alien Technology by Tom Parks, Ph.D. - 2012 |
| Alienígenas by John Francis Moffitt - 2006 - 184 pages |
| Allarme Dal Cosmo by Ashtar Sheran - 1996 - 160 pages |
| American scholarship in the twentieth century - 1967 - 252 pages |
| Anatomy of a phenomenon: unidentified objects in space--a scientific appraisal by Jacques Vallee - 1965 - 210 pages |
| Anatomy of a phenomenon: unidentified objects in space--a scientific appraisal by Jacques Vallee - 1965 - 210 pages |
| Anatomía Del Cuerpo Humano Gris by Gregory Nolan O'Dell - 2008 - 72 pages |
| Ancient Ufo Prophecy by Daniel F. Owsley - 2012 |
| Andromeda by Robert Shapiro, Zoosh - 2003 - 459 pages |
| Angeli in Astronave by Giorgio Dibitonto - 1983 - 164 pages |
| Angels and Aliens by Keith Thompson - 1991 - 283 pages |
| Angels, Aliens and Prophecy by Betsey Lewis - 2012 |
| Are We Alone in the Cosmos? The Search for Alien Contact in the New Millenium by Ben Bova, Byron Preiss - 1999 - 336 pages |
| At the threshold by Charles F. Emmons - 1997 - 268 pages |
| Attack of the 50-foot teacher by Lisa Passen - 2001 |
| Awakening of the Soul by Grace J. Scott - 2009 |
| Awakenings by Tom Baker - 2003 |
| Before and After Roswell by David A. Clary - 2001 - 280 pages |
| BEYOND CONTACT by Greg Heck - 2001 - 142 pages |
| Beyond earth: man's contact with UFOs by Ralph Blum, Judy Blum - 1974 - 248 pages |
| Beyond My Wildest Dreams by Kim Carlsberg, Darryl Anka - 1995 - 286 pages |
| Beyond the Light Barrier by Elizabeth Klarer - 1980 - 191 pages |
| Bible Codes Revealed by Sherry Shriner - 2005 - 156 pages |
| Blue Star by Miriam Delicado - 2007 - 200 pages |
| Breakthrough by Whitley Strieber - 1996 - 310 pages |
| Breakthrough by Whitley Strieber - 1995 - 297 pages |
| Cam Jansen and the mystery of the U.F.O. by David A. Adler - 1980 - 58 pages |
| Captured by aliens by Joel Achenbach - 1999 - 415 pages |
| Captured! : the Betty and Barney Hill Ufo Experience by Stanton T. Friedman, Kathleen Marden - 2007 - 319 pages |
| Captured! : the Betty and Barney Hill Ufo Experience by Stanton T. Friedman, Kathleen Marden - 2007 - 319 pages |
| Captured! : the Betty and Barney Hill Ufo Experience by Stanton T. Friedman, Kathleen Marden - 2007 - 319 pages |
| Captured! : the Betty and Barney Hill Ufo Experience by Stanton T. Friedman, Kathleen Marden - 2007 - 319 pages |
| Captured! : the Betty and Barney Hill Ufo Experience by Stanton T. Friedman, Kathleen Marden - 2007 - 319 pages |
| Case MJ-12 by Kevin D. Randle - 2002 - 311 pages |
| Casebook on the Men in Black by Jim Keith - 1997 - 222 pages |
| Celestial passengers by Margaret Sachs, Ernest T. Jahn - 1977 - 220 pages |
| Ces O.V.N.I. qui annoncent le surhomme by Pierre Vieroudy - 1977 - 286 pages |
| Challenge to science by Jacques Vallee, Janine Vallée - 1966 - 268 pages |
| Challenge to science by Jacques Vallee, Janine Vallée - 1966 - 268 pages |
| Chariots of Gods Or Demons by James Edward Gilmer - 2002 - 196 pages |
| Chariots of Gods Or Demons? by James Edward Gilmer - 2002 - 196 pages |
| Chariots of the Gods by Erich von Däniken - 1980 - 163 pages |
| Chariots of the gods? by Erich von Däniken - 1971 - 190 pages |
| Ciencia española actual by Manuel Calvo Hernando - 1970 - 205 pages |
| Circular evidence by Pat Delgado, Colin Andrews - 1989 - 190 pages |
| Circular evidence by Pat Delgado, Colin Andrews - 1989 - 190 pages |
| Close Encounters Of The Fourth Kind by C.D.B. Bryan - 2011 - 476 pages |
| Close encounters of the fourth kind by Courtlandt Dixon Barnes Bryan - 1995 - 476 pages |
| Code Name Operation Bright Angel by Alfred Iannarelli - 2004 |
| Communion by Whitley Strieber - 2008 - 336 pages |
| Communion by Whitley Strieber - 1988 - 320 pages |
| Communion by Whitley Strieber - 1988 - 320 pages |
| Communion by Whitley Strieber - 1987 - 299 pages |
| Confirmation by Whitley Strieber - 1999 - 324 pages |
| Confirmation by Whitley Strieber - 1998 - 290 pages |
| Confrontations by Jacques Vallée - 1990 - 263 pages |
| Connecting the Dots by Paola Leopizzi Harris - 2008 - 356 pages |
| Contact with Alien Civilizations by Michael A G Michaud - 2007 - 460 pages |
| Contacto by Miguel Pedrero - 2005 - 256 pages |
| Contacto México by Luis Ramírez Reyes - 1995 - 278 pages |
| Contato Extraterrestre by Gina Lake - 168 pages |
| Contatto by Ade Capone - 2011 - 234 pages |
| Cosmic Ships by Samael Aun Weor - 2010 - 245 pages |
| Cosmic test tube by Randall Fitzgerald - 1998 - 395 pages |
| Cracks in the Great Wall by Charles Upton - 2005 - 108 pages |
| Cracks in the Great Wall by Charles Upton - 2005 - 108 pages |
| Crash at Corona by Don Berliner, Stanton T. Friedman - 2010 - 256 pages |
| Crash At Corona by Don Berliner, Stanton T. Friedman - 2004 - 227 pages |
| Crash at Corona by Stanton T. Friedman, Don Berliner - 1992 - 217 pages |
| Creatures from UFO's by Daniel Cohen - 1978 - 112 pages |
| Cultura scientifica e cultura umanistica by Giorgio L. Olcese - 2004 - 375 pages |
| Dark Highway by Dan Kenyon - 2010 |
| Dark Object by Don Ledger, Chris Styles - 2008 - 192 pages |
| Dark Object by Don Ledger, Chris Styles, Whitley Strieber - 2001 - 192 pages |
| Declaraciones Extraterrestres Mundiales by Tj Lubavitch - 2009 |
| Declaraciones Extraterrestres Mundiales by Tj Lubavitch - 2009 |
| Der UFO-Faktor by Roland Roth - 2011 - 65 pages |
| Did Spacemen Colonize the Earth? by Robin Collyns - 1976 - 178 pages |
| Dimensions by Jacques Vallee - 1988 - 304 pages |
| Divine Encounters by Zecharia Sitchin - 1996 - 400 pages |
| Do giraffes sleep standing up? by Jon Wilman - 2007 - 268 pages |
| Document 96; a rationale for flying saucers by Frank Martin Chase - 1968 - 123 pages |
| Don't Tell Anyone, But-- by Vicki Cameron - 1995 - 195 pages |
| Dreamland by Phil Patton - 1998 - 336 pages |
| Dreamland by Phil Patton - 1998 - 336 pages |
| Ein moderner Mythus by Carl Gustav Jung - 1964 - 143 pages |
| Ein moderner Mythus by Carl Gustav Jung - 1958 - 122 pages |
| Einheit der Wissenschaft - 1993 - 261 pages |
| El Fenomeno Ovni/the Ufo Phenomenon by Time-Life Books - 2001 - 128 pages |
| El misterio Ovni by Bruno Cardeñosa Chao - 2010 - 368 pages |
| El misterio Ovni by Bruno Cardeñosa Chao - 2007 - 368 pages |
| El Planeta Eris y El Calentamiento Global by Cristian Negureanu, Marialba Baez - 2009 - 128 pages |
| El Planeta Eris y El Calentamiento Global by Cristian Negureanu, Marialba Baez - 2009 |
| El Planeta Eris y El Calentamiento Global by Cristian Negureanu, Marialba Baez - 2009 - 128 pages |
| El reloj del Fin del Mundo by Alfonso Ferrer, Alfonso Ferrer Sierra - 2008 - 384 pages |
| Encounter at Buff Ledge by Walter N. Webb - 1994 - 306 pages |
| Encounters with Ufo Occupants by Coral E. Lorenzen, Jim Lorenzen - 1976 - 424 pages |
| Encyclopedic sourcebook of UFO religions by James R. Lewis - 2003 - 530 pages |
| Erks - Mundo Interno by Jose Trigueirinho Netto - 184 pages |
| Et Presence the Role of the Usa and New World Visions by Renato Longato - 2012 |
| Et Visitors Speak by Robert Shapiro - 2001 - 350 pages |
| Et's Are on the Moon and Mars by C. L. Turnage - 2000 - 108 pages |
| Et-Beings by John Zarr - 2000 - 141 pages |
| Et-Human Link by Dana Redfield - 2001 - 279 pages |
| Ets and Aliens by Noel Huntley - 2002 - 231 pages |
| ETs and the Explorer Race by Robert Shapiro - 1997 - 237 pages |
| Exopolitics by Paola Leopizzi Harris - 2009 - 268 pages |
| Exopolitics by Paola Leopizzi Harris - 2007 - 260 pages |
| Exopolitics by Michael E. Salla - 2004 - 328 pages |
| Expediente Soviet UFO by Paul Stonehill, Philip Mantle - 2010 - 554 pages |
| Extra-Terrestrial Intelligence by James Lee Christian - 1976 - 303 pages |
| Extra-terrestrial intelligence by James Lee Christian - 1976 - 303 pages |
| Extra-terrestrials among us by George Clinton Andrews - 1986 - 300 pages |
| Extraordinary encounters by Jerome Clark - 2000 - 290 pages |
| Extraterrestrial Archaeology by David Hatcher Childress - 2000 - 320 pages |
| Extraterrestrial Intervention/The Enigma by Intelisano Joseph, Dr Joseph Intelisano D C N D - 2003 - 216 pages |
| Faces of the visitors by Kevin D. Randle, Russ Estes - 1997 - 309 pages |
| Feeling Sedona's Et Energies by Robert Shapiro - 2005 - 68 pages |
| Firestorm by Ann Druffel - 2003 - 609 pages |
| Flying saucer pilgrimage by Bryant Reeve, Helen Reeve - 1957 - 304 pages |
| Flying saucer viewpoint by Rex Dutta - 1970 - 115 pages |
| Flying Saucers by Carl Gustav Jung - 1997 - 138 pages |
| Flying Saucers by Otto Billig - 1982 - 265 pages |
| Flying saucers by Carl Gustav Jung - 1977 - 184 pages |
| Flying saucers by United Press International, Cowles Communications - 1967 - 65 pages |
| Flying saucers by Leon Davidson - 1966 - 84 pages |
| Flying saucers by Carl Gustav Jung - 1959 - 186 pages |
| Flying saucers - 1956 - 83 pages |
| Flying saucers - 1953 - 44 pages |
| Flying Saucers - 50 Years Later by C. A. Honey - 2002 - 330 pages |
| Flying saucers are hostile by Brad Steiger, Joan Whritenour - 1967 - 160 pages |
| Flying saucers from outer space by Donald Edward Keyhoe - 1953 - 276 pages |
| Flying Saucers From The Earth's Interior by Raymond W. Bernard - 1993 - 85 pages |