Mastering Perl for Bioinformatics: Perl Programming for Bioinformatics (O'Reilly Ser.)

Beginning Perl for Bioinformatics: An Introduction to Perl for Biologists

I'm the Master of Bioinformatics: Blank Lined Journal

Mastering Perl 2ed: Creating Professional Programs with Perl

Mastering Python for Bioinformatics: How to Write Flexible, Documented, Tested Python Code for Research Computing