The following are the top selling books in the Investing category at Amazon (AMZN).
EntreLeadership: 20 Years of Practical Business Wisdom from the Trenches
The Intelligent Investor: The Definitive Book on Value Investing. A Book of Practical Counsel (Revised Edition)
Rich Dad Poor Dad: What The Rich Teach Their Kids About Money - That The Poor And Middle Class Do Not!
Markets Never Forget (But People Do): How Your Memory Is Costing You Money-and Why This Time Isn't Different
Endgame: The End of the Debt Supercycle and How It Changes Everything