This document provides a review of the book "When Genius Failed" by Roger Lowenstein. It summarizes the book, discusses the author and his background, describes the genesis and methodology used in writing the book. While it praises the research and storytelling, it also offers some criticism such as the author not being judicious enough and sacrificing details of investment strategies. Overall, the review concludes that despite some limitations, it is a well-researched book that provides lessons about risk management and is recommended reading.