11/22/63 by Stephen King is a thrilling alternative history mystery that combines time travel and the assassination of John F. Kennedy. The protagonist, Jake Epping, discovers a portal that leads him back to 1958, and he embarks on a mission to prevent the Kennedy assassination. As Jake delves deeper into the past, he uncovers a web of conspiracy and must confront the consequences of altering history. King's masterful storytelling keeps readers on the edge of their seats throughout this epic tale.