John Grisham is a bestselling author known for his thriller novels that often take place in the Southern United States. His best-selling book, "The Firm," was published in 1991 and has sold over 30 million copies worldwide.
James Patterson is a bestselling author who has written numerous thriller novels that have captivated readers worldwide. His best-selling book, "Along Came a Spider," was published in 1993 and has sold over 120 million copies.
Agatha Christie is widely regarded as the queen of mystery novels. Her best-selling book, "And Then There Were None," was published in 1939 and has sold over 100 million copies worldwide.