Editions of Star Trek The Next Generation/X-Men - Planet X

Paperback, 265 pages

English language

Published Jan. 6, 1998 by Pocket Books.

eBook, 288 pages

English language

Published Dec. 29, 2000 by Pocket Books/Star Trek.

265 pages

English language

Published Dec. 30, 1998 by Pocket Books.

unknown binding

English language

Published May 6, 1998 by Tandem Library.

English language

Published Dec. 30, 2012 by Simon & Schuster, Limited.