No smoking, no pets, no UV burn, no tears, no stains. Discoloration of the paper due to age is to be expected. 1 Star Trek: The Big Study (Original Series). Hardcover, 4th printing, August 1996, 3,500 yen. 2Star Trek Dai Kenkyu 2 (Original Series). Total 264 pages (excluding index), 1st printing in Aug. 1996, softcover, 2,400 yen. 3Star Trek Dai Kenkyu 3 Next Generation Complete Strategy Reader. Total 429 pages (excluding index) August 1996 1st printing. Includes information on the movie Generations Softcover 3,000 yen. 4Star Trek Encyclopedia. 396 pages (including DS9 and Enterprise D) Alphabetical listing of characters, starships, equipment, etc. Even if you are not good at English, you can enjoy this book. The condition of the book is very good.