That's what I do, I read and I know things.

To the finder:

Welcome to BookCrossing!

Please make a journal entry to let me know that this book has been caught so I know that it has found a good home with you. I hope you like the book, but I'd be grateful if you'd let me know what you thought of it by making another journal entry when you've finished it.

Then, whenever you are ready to send it on its way, make a journal entry if you are giving or sending this book to a known person, or a release note if you are leaving it “in the wild” again for anyone to catch. Then watch its journey.

If you've decided to sign up, you’ll be alerted by e-mail each time someone makes another journal entry. And it’s confidential (you are known only by your screen name and no one is ever given your e-mail address), free, and spamless !

Some faqs : http://www.bookcrossing.com/faqs

McClay Library. On a stand just inside the door of the cafe.