In an effort to reach out to designers around the world, this book has been made available online for free. This site has no ads, no third-party tracking, and no sponsorships. I do not want to compromise any part of the reading experience. I also dislike paywalls as much as annoying pop-up ads.
For the first edition, I did the research, wrote the text, created the illustrations, designed the website, and paid for the web hosting. For the second edition, I did more research, revised the text, recreated the illustrations, redesigned the website, expanded the visual examples, continued to pay for the web hosting, and licensed a number of fonts.
If you find the information in this book useful, please contribute what you can to sustain the effort.