I can give you my number one bestseller (free of charge AND signed) called,
"how to lose friends and ostracise people!"
Simple enclose the relevant postage to your country via the UK and it'll be on its happy way first thing next tuesday!
[ed]
There are WAY too many experts on the INTERNET (a condition that is now a recognized psychological disease) so id' refrain from touching on that subject where there;s so many delusional people...
I have a 94% best answer rating at Yahoo!Answers, so I know what I'm talking about, OK!?!