If you like this sort of thing, Johnny Long wrote an interesting book called No Tech Hacking: A Guide to Social Engineering, Dumpster Diving, and Shoulder Surfi

If you like this sort of thing, Johnny Long wrote an interesting book called No Tech Hacking: A Guide to Social Engineering, Dumpster Diving, and Shoulder Surfing (http://www.amazon.com/No-Tech-Hacking-Engineering-Dumpster/dp/1597492159 http://www.amazon.com/No-Tech-Hacking-Engineering-Dumpster/d...).