50 Subtle Mistakes to Screw Your Code and How to Avoid and Fix Them to Write Extraordinary Software for Web from the author of Practical Node.js, Pro Express.js, React Quickly, Full Stack JavaScript, free beginner friendly free indie book on TS.

GitHub: https://github.com/azat-co/50-ts/ Leanpub (recommended: PDF+EPUB+updates via email): https://leanpub.com/50-ts