1. “The Adventures of Sherlock Holmes” by Arthur Conan Doyle: This classic collection of short stories features the famous detective Sherlock Holmes and his partner Dr. Watson.
2. “Murder on the Orient Express” by Agatha Christie: This classic mystery novel is set on a train journey from Istanbul to Calais and features the famous detective, Hercule Poirot.
3. “Gone Girl” by Gillian Flynn: This psychological thriller tells the story of a woman who goes missing on her fifth wedding anniversary and the investigation that follows.
4. “The Girl with the Dragon Tattoo” by Stieg Larsson: This crime thriller introduces us to the character of Lisbeth Salander, a computer hacker, and journalist Mikael Blomkvist.
5. “The Da Vinci Code” by Dan Brown: This fast-paced thriller involves a cryptologist and symbologist trying to solve a murder mystery while uncovering hidden secrets of the Catholic Church.
6. “The Cuckoo’s Calling” by Robert Galbraith (J.K. Rowling): This crime novel follows private investigator Cormoran Strike as he investigates the suicide of a famous supermodel.
7. “The Silent Patient” by Alex Michaelides: This psychological thriller tells the story of a woman who shoots her husband and then refuses to speak, and the therapist who is determined to uncover the truth.
8. “The Hound of the Baskervilles” by Arthur Conan Doyle: Another classic Sherlock Holmes novel, this story follows the detective and his partner as they investigate a mysterious death on the moors.
9. “In the Woods” by Tana French: This crime novel is the first in the Dublin Murder Squad series and follows Detective Rob Ryan as he investigates a murder in a small Irish town.
10. “The Name of the Rose” by Umberto Eco: This historical murder mystery is set in a 14th-century Italian monastery and involves the investigation of several murders.
11. “The Maltese Falcon” by Dashiell Hammett: This classic hardboiled detective novel introduces us to private investigator Sam Spade as he investigates the disappearance of a priceless statue.
12. “The Big Sleep” by Raymond Chandler: This classic noir novel introduces us to private detective Philip Marlowe as he investigates a wealthy family’s secrets.
13. “The Secret History” by Donna Tartt: This psychological thriller tells the story of a group of students at a small liberal arts college in New England and the secrets they keep.
14. “The Silence of the Lambs” by Thomas Harris: This thriller introduces us to FBI agent Clarice Starling as she investigates a serial killer with the help of the infamous Dr. Hannibal Lecter.
15. “The Reversal” by Michael Connelly: This legal thriller follows attorney Mickey Haller as he switches sides to become a prosecutor and investigates a high-profile case.

In conclusion, these 15 mystery novels are some of the best books for readers who love the genre. Each book offers a unique plot, memorable characters, and unexpected twists and turns that are sure to keep readers engaged and on the edge of their seats. Whether you are a fan of classic mysteries or modern thrillers, there is something for everyone on this list. So, grab a book, curl up, and get ready for a thrilling ride.