Books about how to write vary in usefulness. There may be one sentence in the entire book that gives you the light bulb needed to finish a chapter that’s been giving you trouble, or it may be that knowing someone else surmounted their obstacles is inspiring news….
I’ve just put back in the library bag How Not to Write a Novel: 200 Classic Mistakes and How to Avoid Them — A Misstep-by-Misstep Guide, by Howard Mittelmark and Sandra Newman.