Oh goodness. I didn't realize that 46 Perl books sit on my bookshelf until hakkr made me curious enough to count. All of the books listed in this thread so far, and some in multiple editions :)
Here's some that haven't yet been noted.
- Perl - The Programmers Companion - Nigel Chapman
- Learning Perl on Win32 Systems - Schwartz, Olson, Christiansen
- Official Guide to Programming with CGI.pm - Lincoln Stein
- Network Programming with Perl - Lincoln Stein
- Perl in a Nutshell - Siever, Spainhour, Patwardhan
- Debugging Perl - Martin Brown
- Perl Debugged - Peter Scott, Ed Wright
- Applied Perl - Peter Williams
- Data Munging with Perl - David Cross
- Elements of Programming with Perl - Andrew L. Johnson
- Beginning Perl - Simon Cozens
- Perl Programming - Peter Wainwright, et al
- Perl Development - Kobe,s Wainwright, Gundavaram
- Writing CGI Applications with Perl - Kevin Meltzer, Brent Michalski
- Perl for the Web - Chris Radcliff
- MySQL and Perl for the Web - Paul Dubois