Please follow these steps,
1, locate the desired book(s) on your drive,
2, use your bittorrent client to create a torrent file, (for more help, check out
http://torrentfreak.com/how-to-create-a-torrent/). If you wanna find some open trackers, you can use the following,
udp://open.demonii.com:1337/announce
udp://tracker.openbittorrent.com:80/announce
udp://tracker.publicbt.com:80/announce
udp://tracker.istole.it:80
3, login to the user center and click "share my ebook",
4, fill in some necessary information on the page and upload the torrent file.
5, download the torrent you just uploaded and START it in your bittorrent program.
6, Keep SEEDING as long as you can.