Written by the acclaimed entrepreneur, William J O'Neil, How to Make Money in Stocks: A Winning System in Good Times and Bad, Fourth Edition is a handy guide that that deals with the stock market and its intricacies. The author of this book has written down the hard-earned knowledge he gained from his own experiences as an investor.The price charts of winning stocks from the past century have been listed out in the beginning of this book. These charts are supplemented with notes throughout in order to make them more comprehensible to readers. In this book, the author discusses his trademark CAN SLIM method of investing.The CAN SLIM method put together by the author consists of 7 steps which are aimed at maximising profits. This book imparts valuable information about the times when one needs to cut a loss and the times when one needs to invest and make a profit.Mutual funds and exchange-traded funds are discussed as well by the author and he provides important tips on the ways to properly approach them while investing. The CAN SLIM method highlighted in this book was formulated by the author after analysing stock market patterns over the last 100 years.How to Make Money in Stocks: A Winning System in Good Times and Bad, Fourth Edition runs its readers through important investment-related aspects such as an organisation's growth rate, demand and supply, mutual funds, etc. The 4th edition of this book was published by McGraw-Hill Professional in 2009 and is available as a paperback.