Use this thread to recommend books on C. Please include a description of what this is book is good for, and not good for, etc...
UPDATE By webmaster--below is a listing of the books most commonly recommended in this thread:
The C Programming Language, Kernighan and Ritchie
C: How to Program, Deitel and Deitel
Sams Teach Yourself C in 21 days, Jones and Aitken
Let Us C, Kanetkar
C Primer Plus, Prata