"Hedge Fund of Funds Investing: An Investor's Guide" by Joseph Nicholas explains how hedge funds can be a valuable addition to an investor's portfolio. By pooling multiple hedge funds together into one fund of funds, investors can benefit from professional management expertise and asset allocation. The book provides insights into how these funds operate, the benefits and risks involved, and the criteria for selecting funds. It also offers an analysis of historical fund performance and trends in the industry that may impact its future. Overall, the guide is a valuable resource for serious investors looking to navigate the complex world of hedge fund investing.