If you're looking for the nuts and bolts on how capital markets around the world work this book is hands down the best there is. https://www.amazon.com/Complet

If you're looking for the nuts and bolts on how capital markets around the world work this book is hands down the best there is. https://www.amazon.com/Complete-Quantitative-Professionals-McGraw-Hill-Investment/dp/0071468293 https://www.amazon.com/Complete-Quantitative-Professionals-M... Equities, Futures, Rate Swaps, Options, Credit, Treasury, Corporate, Municipal, Mortgage and Agency Bonds. Then the technology that supports it all. It is not only a fantastic high level view, but it get granular enough to explain things like how US Treasuries prices quoted in 32nds of a dollar or how fixed income securities are identified by something called a CUSIP or what a strike price is for an option. Granular enough to explain practical day to day concepts that would help you at your first job in a financial firm.