The book "Advanced Asset Pricing Theory" covers modern ways to understand how prices of assets are determined. It looks at both short-term and long-term ways to model asset prices. The book explains how to measure and manage risks when investing, how to choose the best mix of investments, and how to price options and bonds. It also discusses puzzles in finance, like why some investments seem riskier than they should be. The book is written for graduate students studying finance and is detailed enough for curious readers to learn more about the subject.