Books

Perl Debugger Pocket Reference by Richard Foley

Perl Debugged by Peter Scott and Ed Wright

This book provides you with excellent tips that will help you avoid a number of bugs and shows you ways to find bugs once they made their way into your code.

DeBugging Perl by Martin Brown

Articles

Cultured Perl: Debugging Perl with ease
an article on IBM developerWorks "explaining debugging methods and general concepts rather than looking at specific tools."

Using the Perl Debugger on Dr. Dobbs's by brian d foy.

Creating a Perl Debugger on Dr. Dobbs's by brian d foy.

Using The Perl Debugger on Dev Shed by icarus

Debugging CGI Scripts

CGI Debugging

Debugging in general

Debugging Rules
a couple of issues about debugging in general.


the camel