Ask HN: Best books under 200 pages for developers?

Ask HN: Best books under 200 pages for developers?
93 comments on Hacker News.
Most of the highly recommended books for software developers are about 400 pages. Sometimes I want to start and finish a book in a weekend and 400 is too much for me. Which books under 200 pages do you recommend to software developers? Bonus: Best non-tech books under 200 pages https://ift.tt/36MPnsd