BookCrossing:
Found this site after reading an article in The Star- Ledger and thought it looked fun. Enjoy!
BookCrossing.com is a labor of love that was conceived and is maintained by Humankind Systems, Inc., a software and internet development company with offices in Kansas City, Missouri, and Sandpoint, Idaho. Looking for a break from the doldrums of creating yet another e-commerce website (that's just what the world needs), or email server application (oooh, those are doubly exciting), Humankind partner Ron Hornbaker sought to create a community site that would be the first of its kind, that would give back to the world at large, and that would provide warm fuzzy feelings whenever he worked on it. BookCrossing.com was the result.
