Non-Fiction: The Pyramid Principle - Logic in Writing and Thinking.
Although the writing techniques the author presents sound obvious in hindsight, having them all-in one place as an comprehensive framework you can follow helped me a lot for the writing and research in my work
Fiction: The Black Lizard Big Book of Locked-Room Mysteries
A curated and annotated collection of locked-room mystery stories. All the stories are accompagnied by a small introduction into the author and the main character written by the curator. His enthousiasm shows in these small introductions, making the stories themselves even better.
Although the writing techniques the author presents sound obvious in hindsight, having them all-in one place as an comprehensive framework you can follow helped me a lot for the writing and research in my work
Fiction: The Black Lizard Big Book of Locked-Room Mysteries
A curated and annotated collection of locked-room mystery stories. All the stories are accompagnied by a small introduction into the author and the main character written by the curator. His enthousiasm shows in these small introductions, making the stories themselves even better.