ALL of these books can and should be read at least twice.
- My Life in Advertising and Scientific Advertising by Claude Hopkins
- Tested Advertising Methods by John Caples
- 2,239 Tested Secrets For Direct Marketing Success : The Pros Tell You Their Time-Proven Secrets by Denny Hatch
- Confessions of an Advertising Man by David Ogilvy
Short, boring, to-the-point post :-)