I write books! Not many, but I do! So far I published one book, one is in the works, and many more ideas are on the shelf
Front-End Tooling with Gulp, Bower, and Yeoman
Even though the tools might not be as interesting anymore as they were a couple of years ago, the techniques of streams, of a proper build pipeline, and of scaffolding still hold up. The basics you learn about package management are more than important for today's world of package management. So maybe give it a shot?
But if you do, take the code 39baumgar and get 39% off the original price!