Most of then brand new. Check below list for more details:

Title Year # State
First strike 1996 1 New
Star trek - The motion picture 1979 1 New
The entropy effect 1981 2 Used - Acceptable
The klingon gambit 1981 3 New
The covenant of the crown 1981 4 New
The prometeus design 1982 5 New
The abode of life 1982 6 New
Star Trek II: The wrath of Khan 1982 7 Used - Good
Black fire 1983 8 New
Triangle 1983 9 New
Web of the Romulans 1983 10 New
Testerday's son 1983 11 New
Mutiny on the enterprise 1983 12 New
The wounded sky 1983 13 New
The Trellisane confrontation 1984 14 New
Corona 1984 15 New
The final reflexion 1984 16 New
The search for Spock 1984 17 Used - Good
My enemy, my ally 1984 18 New
The tears of the singers 1984 19 New
The Vulvan academy murders 1984 20 New
Uhura's song 1995 21 New
Shadow lord 1994 22 New
Ishmael 1985 23 New
Killing time 1985 24 New
Dwellers in the crucible 1985 25 New
Paws and symbols 1985 26 New
Mindshadow 1986 27 New
Crisis on Centaurus 1986 28 New
Dreadnought! 1986 29 New
Demons 1986 30 New
Battlestations! 1986 31 New
Chain of attack 1987 32 New
Deep domain 1987 33 New
Dreams of the raven 1987 34 New
The romulan way 1987 35 New
How much for just the planet? 1987 36 New
Bloodthirst 1987 37 New
The idic epidemic 1988 38 New
Time for yesterday 1988 39 New
Timetrap 1988 40 New
The three-minute universe 1988 41 New
Memory prime 1988 42 New
The final nexus 1988 43 New
Vulcan's glory 1989 44 New
Double, double 1989 45 New
The cry of the onlies 1989 46 New
The Kobayashi Maru 1989 47 New
Rules of engagement 1990 48 New
The pandora principle 1990 49 New
Doctor's order 1990 50 New
Enemy unseen 1990 51 New
Home is the hunter 1990 52 New
Ghost-walker 1991 53 New
A flag full of stars 1991 54 New
Renegade 1991 55 New
Legacy 1991 56 New
The rift 1991 57 New
Faces of fire 1992 58 New
The disinherited 1992 59 New
Ice trap 1992 60 New
Sanctuary 1992 61 New
Death count 1992 62 New
Shell game 1993 63 New
The starship trap 1993 64 New
Windows on a lost world 1993 65 New
From the depth 1993 66 New
The great starship race 1993 67 New
Firestorm 1994 68 New
The patrian transgression 1994 69 New
Traitor winds 1994 70 New
Crossroad 1994 71 New
Recovery 1995 73 New
The fearful summons 1995 74 New
First frontier 1995 75 New
The captain's daughter 1995 76 New
Twilight's end 1996 77 New
The rings of Tautee 1996 78 New
The joy machine 1996 80 New
Mudo in your eyes 1997 81 New
Mind meld 1997 82 New
Heart of the sun 1997 83 New
Assignment: Eternity 1998 84 New
Prime directive 1990 0-01 New
The lost years 1989 0-03 New
Star Trek VI - The undiscovered country 1992 0-04 New
Star Strek V - The final frontier 1989 0-05 Used - Good
Star Trek IV _ The voyage home 1986 0-06 Used - Good
Spock's world 1988 0-07 New
Enterprise - The first adventure 1986 0-08 Used - Good
Stranger in the sky 1987 0-09 Used - Good
Final frontier 1988 0-10 Used - Good
Vulkans forge 1997 New
Probe 1992 0-0 New
Shadows of the sun 1993 0-00 New
Best destiny 1992 0-000 New
Sarek 1994 0-0000 New
The return 1996 0-000000 New
Logs one - two - three 1974 1 New
Logs four - five - six 1975 2 New
Logs seven -height - nine 1976 3 New