4 books -- X-Treme Possibilities: A Comprehensively Expanded Rummage Through Five Years of the X-Files. + Deny All Knowledge: Reading the X-Files + THE UNAUTHORIZED X-CYCLOPEDIA, THE DEFINITIVE REFERENCE GUIDE TO THE X-FILES, + BEYOND MULDER AND SCULLY, THE MYSTERIOUS CHARACTERS OF THE X-FILES

4 books -- X-Treme Possibilities: A Comprehensively Expanded Rummage Through Five Years of the X-Files. Paul Cornell, Martin Day, Keith Topping. Virgin. 1998. 474p. pb, covers lightly bumped/scuffed, text clean, solid binding + Deny All Knowledge: Reading the X-Files, eds. Lavery, Hague and Cartwright, Syracuse, New York, U.S.A.: Syracuse Univ Press, 1996, 233p, trade pb, covers bumped/scuffed, text tanning/clean, binding solid, crisp copy + THE UNAUTHORIZED X-CYCLOPEDIA, THE DEFINITIVE REFERENCE GUIDE TO THE X-FILES, Hatfield and Burt, Kensington, 1997, 399p, trade pb, covers bumped/scuffed, text tanning/clean, binding solid, crisp + BEYOND MULDER AND SCULLY, THE MYSTERIOUS CHARACTERS OF THE X-FILES, MANGELS, Citadel, 1998, 247p, trade pb, covers bumped/scuffed, text tanning/clean, binding solid, crisp--10.00 for all 4.