This is a bit of fluff - fun though.
You enter the title of your book and are told what the chances are of it being a best-seller!
(Thanks to Dave at e-luv for the link.)
So ... the results are:
Nirvana Bites 34.8%
Trading Tatiana 55.4%
De Nada Nirvana 20.1%
Me, John and a Bomb 14.6%
Depth Charge 35.9%
Which doesn't seem too bad when you hear that the Da Vinci Code scored 10.2%!