This is a reference for those who find themselves frequently searching for a quick answer to a question or reminder of a syntax rule. It condenses stacks of Perl documentation down to essential facts and offers a complete overview of the Perl programming language, packed into a convenient booklet. It is updated for Perl 5.8, and covers a summary of Perl syntax rules, a complete list of operators, built-in functions, and standard library modules, all with brief descriptions. Also included are the newest Perl features, such as enhanced regular expressions, multithreading, the Perl compiler, and Unicode support.