When it comes to good Murder Mystery stories, this book comes to mind:
House of Salt and Sorrows by Erin A. Craig
In this story, Annaleigh sets out to solve the mystery of what might be killing off her sisters one by one. House of Salt and Sorrows is set in House Thaumas out in an island, and is a fairy tale retelling of The 12 Dancing Princesses. It has equal parts horror and mystery, as Annaleigh’s journey leads to many shocking twists and turns throughout the book!
Let me know about your favorite Murder Mystery story in the comments!