kdawson from the be-there-or-be-somewhere-else dept.
An anonymous reader writes "After a little over five months of pondering, xkcd fans have cracked a puzzle hidden inside Randall Munroe's recent book xkcd: volume 0. Here is the start of the thread on the xkcd forums; and here is the post revealing the final message (a latitude and longitude plus a date and time)."
The best book on programming for the layman is "Alice in Wonderland";
but that's because it's the best book on anything for the layman.