Apart from his fiction, I can recommend his "The Practice of Writing" from 1996. Not so much for practical writing advice, but because it is an entertaining and

Apart from his fiction, I can recommend his "The Practice of Writing" from 1996. Not so much for practical writing advice, but because it is an entertaining and interesting read. Even decades after reading it I particularly remember the anecdotes about Graham Greene and how he likely was as much a spy as he was a writer.