Hooks for books is the best guide I've found on writing book titles and hooks that get attention. Derek Doepker has written a stellar guide here that should not be missed if you want to get more clicks, more sales and make more money with publishing..
Kindling, by Geoff Shaw is literally jam packed with ‘awesome’ strategies to making a killing with fiction on Kindle. If Fiction is your thing, you'll struggle to find anything better. Use coupon code: KDSPY for a $27 discount.