Kernighan & Ritchie, The ANSI C Programming Language Kernighan & Pike, The UNIX Programming Environment Kernighan & Pike, The Practice Of Programming (Really,

Kernighan & Ritchie, The ANSI C Programming Language Kernighan & Pike, The UNIX Programming Environment Kernighan & Pike, The Practice Of Programming (Really, anything written by Kernighan is pure joy, even a man page) Jon Bentley, Programming Pearls Papadimitriou &Lewis, Elements of the theory of computation