John Ray Grisham Jr. is an American novelist, lawyer, and former member of the Mississippi House of Representatives, known for his best-selling legal thrillers. According to the American Academy of Achievement, Grisham has written 37 consecutive number-one fiction bestsellers, and his books have sold 300 million copies worldwide. Along with Tom Clancy and J. K. Rowling, Grisham is one of only three anglophone authors to have sold two million copies on the first printing.

The legal thriller genre is a type of crime fiction genre that focuses on the proceedings of the investigation, with particular reference to the impacts on courtroom proceedings and the lives of characters.