First off, be on the lookout for "The Return of the Wiki" , down below in the bug reports there is an explanation for the absence of the Wiki. There is a collaborative article in the Wiki about best books.
Now for some usable info:
My favorite lighting book is anything by Richard Pilbrow, check out "Stage Lighting" at Amazon.
Another more recent favorite is "A Practical Guide to Stage Lighting" by Steven Louis Shelly.
I also highly suggest older editions of any of the basic stagecraft textbooks. The latest edition is usually quite pricey but older editions are sometimes quite cheap ($5. or so, such a deal).
"Scene Design and Stage Lighting" by W. Oren Parker and/or R. Craig Wolfe is a good choice.
"Theatrical Design and Production:...." by J. Michael Gilette