The ISBN of Weapon X - story arc - is 978-0785137269.
The ISBN of Through the Arc of the Rain Forest is 0-918273-82-X.
The ISBN of The Devotion of Suspect X is 4163238603.
The ISBN of Camp X - novel - is 0670911011.
The ISBN of X-Statix is 0-7851-1023-2.
The ISBN of Earth X is 0-7851-2413-6.
The ISBN of Astonishing X-Men is 0-7851-3801-3.
The ISBN of Dark X-Men is 0-7851-4526-5.
The ISBN of Starlord is 1-905437-82-X.
The ISBN of Freaked is 0-440-40908-X.
The ISBN of Sellevision is 0-312-26772-X.
The ISBN of WWE Encyclopedia is 075664190-X.
The ISBN of Growing Up X is 978-0-345-44495-0.