A Programmer's Introduction to Visual Basic .NET by Craig Utley 
Beginning Perl for Bioinformatics by James Tisdall
Designing Large Scale Lans by Kevin Dooley
Effective awk Programming, 3rd Edition by Arnold Robbins
Essential XML Quick Reference by Aaron Skonnard, Martin Gudgin
Learning Oracle PL/SQL by Bill Pribyl, Steven Feuerstein
Managing NFS and NIS, 2nd Edition by Mike Eisler, Ricardo Labiaga, Hal Stern
Network Troubleshooting Tools by Joseph D Sloan
Oracle RMAN Pocket Reference by Darl Kuhn, Scott Schulze
Programming Web Services with SOAP by James Snell, Doug Tidwell, Pavel Kulchenko
Python & XML by Christopher A. Jones, Fred L. Drake Jr
Ruby in a Nutshell by Yukihiro Matsumoto
Sams Teach Yourself More Visual Basic .NET in 21 Days by Lowell Mauer
SSH, The Secure Shell by Daniel J. Barrett, Richard E. Silverman
Unix for Oracle DBAs Pocket Reference by Donald K. Burleson
Windows 2000 Commands Pocket Reference by Aeleen Frisch
Windows XP Unleashed by Terry William Ogletree