The Definitive Guide to Raising Money from Angels, by Bill Payne. <a href="http://billpayne.com/definitiveguide.html" rel="nofollow">http://billpayne.com/definitiveguide.html</a><p>Yes, the site looks like godawful direct marketing spam and yes, it's written for entrepreneurs looking to raise from angels. But there's a ton of useful info in here about 'how angels work'.<p>EDIT: There's some weird pricing tests going on on Bill's site - try this URL for the same product, potentially cheaper: <a href="http://billpayne.com/get-angel-money" rel="nofollow">http://billpayne.com/get-angel-money</a>