"The Thirteen Problems" is an exciting collection of detective stories by the famous English writer Agatha Christie. In this book, readers will meet the heroine Miss Marple, an impressive lady detective who solves criminal cases thanks to her unsurpassed mental analysis. Each story in this collection is a new puzzle that Miss Marple solves as she uncovers the dark secrets behind the beautiful facade of a hidden crime. Readers who love sharp plots, unexpected twists, and solving mysteries will surely enjoy this exciting work from the mother of the detective genre, Agatha Christie.