On-Line Books

The C programming Language - By Brian W. Kernighan and Dennis M. Ritchie.
Errata for The C Programming Language, Second Edition

Bruce Eckel's Thinking in C

Sams Teach Yourself C in 24 Hours

C Programming, by Brian Brown

Paper Books

"How to Program C" by Dr Harvey M Deitel
ISBN 0-13-142644-3.

"Practical C Programming" By Steve Oualline.

"The C Programing Language" By Brian W. Kernighan and Dennis M. Ritchie.
ISBN 0-13-110362-8 (paperback)
ISBN 0-13-110370-9

"The Waite Group's 'C' Primmer Plus". (But it was very UNIX "Centric" in 1988)

On-Line Tutorials

UNIX System Calls and Subroutines using C

Common 'C' Errors (Dr Paul Carter)