"A Course in Derivative Securities" is a specialized book based on the author's lecture notes created during his teaching at Washington University in St. Louis and the Institute for Advanced Studies in Vienna. The book addresses the essential aspects of derivatives that are highly significant in today's financial world. It is aimed at both finance students and practitioners who wish to gain a deeper understanding of the pricing and hedging of derivatives. The content is structured to guide the reader through the fundamentals of pricing and hedging techniques, leading to a more comprehensive understanding of the derivatives themselves. The book is particularly relevant for students in MBA programs and for those specializing in financial engineering. It reflects the growing importance of derivatives in corporate finance and investment management, providing valuable insights for anyone dealing with these financial instruments.