Happy birthday, Sherlock Holmes! January 6 marks the birth of literature’s legendary detective (he’d be one hundred sixty today!). To celebrate the sleuthing genius’s contribution to the mystery genre, we’ve gathered ten mysteries influenced by the brain-work of the detective himself. These novels and story collections either feature Sherlock or are written in a distinctly Sherlockian style—smart detectives with a tad of the eccentric, who solve crimes through Holmes’s trademark method of detection: “an observance of trifles.”