Personal Finance: - Finance for the People, Paco de Leon - Clever Girl Finance, Bola Sokunbi Corporate Finance (as an entrepreneur and after the previous ones): - Fundamentals of Corporate Finance Richard A. Brealey, Stewart C. Myers, and Alan J. Marcus - Risk Management: The Ultimate Guide to Financial Risk Management as Applied to Corporate Finance – Greg Shields Also, Investopedia is a reasonably good source of information.