Leslie Lamport,
LATEX,A Document Preparation System.
User's Guide & Reference Manual, 2nd edition.
ISBN 0-201-52983-1, Paperback 256 pages,
Addison-Wesley, 1994.
Online information on TEX and LATEX is available at http://www.tug.org/ and http://www.dante.de/ .
Michel Goossens, Eitan M. Gurari, Ross Moore, Sebastian Rahtz, &
Robert S. Sutor.
The LATEX Web Companion.
ISBN 0-201-143311-7, Softcover 560 pages,
Addison-Wesley,
1999.