This work chronicles John Bogle's - the founder and former senior chairman of the Vanguard Group - 50 years in the financial services industry. His university thesis on the role of an investment company is included, along with speeches made by him over the past 40 years. The themes of investing for the long term, the importance of indexing, the critical effect of costs on investment returns, and the importance of diversification, are all covered.

(From Goodreads)