It may seem petty to complain about the omission of one logician in a book that covers such a vast scope in such little space, but really the absence of a key figure like George Boole is very strange. However, the book remains a great summary and overview. It introduces many important ideas and thinkers, is fun and readable and will help you decide if you want to pursue the subject further. If you do, the reading list at the end will steer you in the right direction. If you are completely new to the subject, I would not actually recommend this as your very first book. Ironically enough, you would be better starting with an elementary text on Boolean algebra, to show you some formal logic in action. Then you would get more out of this present work, the great strength of which is that it provides a historical and conceptual framework for further study.