However, 18 of Our Favorite Books About the Craft of Writing by Leah Schnelbach from Tor.com sounds interesting. It includes well-known books like On Writing and Zen in the Art of Writing but a lot of things I haven't heard of, even when I've heard of their authors. While I'm a lot more interested in generative workshops than craft workshops, I might give one of these craft books a try.
Hmm. Reading and blogging about one of these could be an arc for The Weekend Writer feature here at OC.