Fire, Burn - John Dickson Carr

 A playwright named Christopher Kent, finds himself mysteriously transported back to the 17th century. Trapped in a past era during the reign of King Charles II, he encounters a group of characters embroiled in a murder mystery that involves a locked-room scenario. Using his modern knowledge and skills, Kent must unravel the clues and uncover the culprit behind the perplexing crime, all while navigating the challenges of being an outsider in a different time.