Rising Interest
Strong Revenue Potential
Universal Appeal
Creative
Historical Mystery Novels
Cozy Mystery Books
Hardboiled Detective Fiction
Police Procedural Mysteries
Legal Thrillers
Spy and Espionage Mysteries
Supernatural Detective Novels
Noir Mystery Fiction
Forensic Crime Mysteries
LGBTQ+ Detective Novels
Culinary Mystery Stories
Animal Mystery Series
Medical Thriller Mysteries
Private Investigator Novels
Amateur Sleuth Mysteries
Locked Room Mysteries
Eco-Thriller Mysteries
Archeological Mystery Novels
Techno-Thriller Crime Novels
Victorian Era Detective Novels
