Dumbledore's Army discussion

Have you heard of this? I've done it and a person found it! Have you had any experience in this?
It's cool...

What is it?

You leave a book at a public place and if a person finds it, they go on he website and register it, and then they leave it in another place... and so on.

this is the website: http://www.bookcrossing.com

Whoa that sounds awesome! I wanna try

Really? is it just any book or a specific one?

any book