I am surprised no one has mentioned "The Elements of Programming Style", by Kernighan and Plauger. It is an EXCELLENT book; I wish the world would read (and abide by) it. -- / \ Bill Crews ( bc ) Cyb Systems, Inc \__/ Austin, Texas [ gatech | ihnp4 | nbires | seismo | ucb-vax ] ! ut-sally ! cyb-eng ! bc