If you want to understand derivatives without getting bogged down by the mathematics surrounding their pricing and valuation, Financial Derivatives, Third Edition is the book for you.
Through in-depth insights gleaned from years of financial experience, Robert Kolb and James Overdahl clearly explain what derivatives are and how you can prudently use them within the context of your underlying business activities. This is a quick and easy guide to understanding derivatives. Excellent as a brief reference quide. Would recommend to professionals working with these products.