d be a huge undertaking itself, but here's an unjust summary of their use to me. "The C Programming Language" is the definitive guide to C but it can be a difficult introduction to the language; if I had to get only one book this would be it though. "Practical C Programming" gives some very good advice about C writing style and how to avoid writing "unreadable" programs. And the "The Waite Group's C Primer Plus" is very helpful if you aren't familiar with programming in any form (AppleScript, FileMaker, Bas