Here are some good books:
Hypnotic Writing-Joe Vitale
Advanced Hypnotic Writing-Joe Vitale
Scientific Advertising-Claude Hopkins
The Ultimate Salesletter-Dan Kennedy
How to write a good advertisement-Victor Schwab
Magnetic Salesletters-Micheal Kimble
Web Sales Letters Supreme-
Breakthrough Advertising-Eugene Schwartz
The Adweek Copywriting Handbook-Joe Sugarman
You can also read books written by Clayton Makepeace,John Carlton,Gary Halbert,Gary Bencivenga,Michel Fortin and others