Corporate financing:
Ross's Corporate Finance, Bourelly's Principles of Corporate Finance, and more practical investment banking: evaluating leveraged buyouts and mergers and acquisitions;
Investment science:
Boddy, Investment, Principles of Damodar N.Gujarati Econometrics, CFA Quantitative Investment Analysis, Portfolio Management, Capital Market: Institution &; Instruments, etc. ;
Risk management category:
Options, Futures and Other Derivatives, Asset Pricing
Non-textbook category:
Barbarians at the door, hedge funds, big bears, great games, smart investors, etc.
Personally, I suggest that learning finance must be systematic, and we must not take some crooked ways and believe in any exclusive secret recipe. Practicing basic skills in a down-to-earth manner is the last word.