Here I've listed some of books I have, used to have, or would like to have. They are roughly arranged by subject matter. (However, like my actual bookshelf, everything might not be precisely in its place.)

A Few Random Books

Network Warrior

Gary A. Donahue (2011)

The Practice of System and Network Administration

Thomas Limoncelli, Christina Hogan, Strata Chalup (2007)

Using Visio 2010

Chris Roth (2011)