This article is from the The Terminator FAQ, by Karsten A. Loepelmann firstname.lastname@example.org with numerous contributions by others.
"The Terminator" by Randall Frakes & Bill Wisher.
Mass-market paperback, based on the screenplay by James Cameron
with Gale Anne Hurd. Published November, 1985. ISBN 0-553-25317-4
"Terminator 2: Judgment Day" by Randall Frakes.
Mass-market paperback, based on the screenplay by James Cameron & William
Wisher. Published July, 1991. ISBN 0-553-29169-6
"Terminator 2: Judgment Day: The Book of the Film: An Illustrated Screenplay"
by James Cameron & William Wisher, annotations by Van Ling. Applause Theater
Book Pub. Published 1991. ISBN 1-557-83097-5
"The Making of Terminator 2" by Don Shay & Jody Duncan.
Bantam Books. Published July, 1991. ISBN 0-553-35346-2