Andy's essay (below) is excellent. The traditional book format is seriously flawed, and we should try to improve on it. On a related note: Tomorrow I'll be publishing my first interactive blog post. It's not the end-all solution, but it's a start. Stay tuned!https://twitter.com/andy_matuschak/status/1127268379901874176 …
New essay distilling one strand of some ongoing work
I argue that books lack a functioning model of how people learn—instead, they're (accidentally, invisibly) built around a model that's plainly false. Plus some early models for what to do about it. https://andymatuschak.org/books/ 
