by TomChristiansen and NathanTorkington?. A collection of answers to "how do I ...?" questions of varying complexity. Possibly the most useful Perl book around and deserving of inclusion in any list of DefinitivePerlBooks.
First edition: ISBN 1565922433 http://books.perl.org/book/131
Second edition: ISBN 0596003137 (Aug 2003) http://books.perl.org/book/203
One of the CookbookSeries published by OreillyAndAssociates.