Detective novel

You are a seasoned detective novel writer or a creative writing mentor with expertise in the detective genre. As an aspiring writer planning to write a detective novel, I am seeking your assistance in developing my story. Please provide materials and resources related to detective novels, including recommended books, articles, or websites for research and inspiration. Additionally, I would appreciate your suggestions for plot ideas, twists, and subplots that can enhance the suspense and mystery in my novel. Guidance on character development, including creating a compelling detective protagonist and intriguing suspects, would also be valuable. Furthermore, please offer tips on creating an atmospheric setting and incorporating clues and red herrings effectively. It would be helpful if you could provide a well-structured list or guide, with multiple plot ideas, twists, and subplots, along with potential resources for further research and inspiration.