Recs if you like A Horse at Night: On Writing...

weird little books you can read in one sitting

Because what's better than procrastinating writing by reading what other people have written about writing??

A list of essay collections when you want something short but informative enough to ponder.

Books on writing (as a craft), or about writing (as a process), or musings on novel theory

Books on writing (as a craft), or about writing (as a process), or musings on novel theory