Stephenie Meyer- 6 Adaptations
Twilight (2008), The Twilight Saga: New Moon (2009), The Twilight Saga: Eclipse (2010), The Twilight Saga: Breaking Dawn – Part 1 (2011), The Twilight Saga: Breaking Dawn – Part 2 (2012), The Host (2013).
Larry McMurtry – 6 Adaptations
Hud (1963), The Last Picture Show (1971), Lovin’ Molly (1974), Terms of Endearment (1983), Texasville (1990), The Evening Star (1996).
Thomas Harris – 6 Adaptations
Black Sunday (1977), Manhunter (1986), The Silence of the lambs (1991), Hannibal (2001), Red Dragon (2002), Hannibal Rising (2007).
Nick Hornby – 7 Adaptations
Fever Pitch (UK, 1997), High Fidelity (2000), About a Boy (2002), Fever Pitch (2005), Born a Star? (Italy, 2012), A Long Way Down (2014), Slam (Italy, 2016).
William Goldman – 7 Adaptations
Soldier in the Rain (1963), No Way to Treat a Lady (1968), Marathon Man (1976), Magic (1978), Heat (1986), The Princess Bride (1987), Wild Card (2015).
Clive Barker – 8 Adaptations
Rawhead Rex (UK, 1986), Hellraiser (UK, 1987), Nightbreed (1990), Candyman (1992), Lord of Illusions (1995), The Midnight Meat Train (2008), Book of Blood (UK, 2009), Dread (UK, 2009).
Dean Koontz – 8 Adaptations
Demon Seed (1977), The Passengers (France, 1977), Watchers (1988), Whispers (Canada, 1990), Servants of Twilight (1991), Hideaway (1995), Phantoms (1998), Odd Thomas (2013).
Phillip Roth – 8 Adaptations
Battle of Blood Island (1960), Goodbye, Columbus (1969), Portnoy’s Compaint (1972), The Human Stain (2003), Elegy (2008), The Humbling (2014), Indignation (2016), American Pastoral (2016).
John Grisham – 9 Adaptations
The Firm (1993), The Pelican Brief (1993), The Client (1994), A Time to Kill (1996), The Chamber (1996), The Rainmaker (1997), The Gingerbread Man (1998), Runaway Jury (2003), Christmas with the Kranks (2004).
J.K. Rowling – 9 Adaptations
Harry Potter and the Sorcerer’s Stone (2001), Harry Potter and the Chamber of Secrets (2002), Harry Potter and the Prisoner of Azkaban (2004), Harry Potter and the Goblet of Fire (2005), Harry Potter and the Order of the Phoenix (2007), Harry Potter and the Half-Blood Prince (2009), Harry Potter and the Deathly Hallows: Part I (2010), Harry Potter and the Deathly Hallows: Part II (2011), Fantastic Beasts and Where to Find Them (2016).
Ian McEwan – 10 Adaptations
Schmetterlinge (Germany, 1988), The Comfort of Strangers (Italy/UK, 1990), The Cement Garden (UK, 1993), Conversation with a Cupboard Man (Poland, 1993), The Innocent (1993), First Love, Last Rites (1997), Enduring Love (UK, 2004), Atonement (UK, 2007), The Children Act (2017), On Chesil Beach (UK, 2017).
John le Carré – 10 Adaptations
The Spy Who Came in From the Cold (1965), The Deadly Affair (1966), The Looking Glass War (1970), The Little Drummer Girl (1984), The Russia House (1990), The Tailor of Panama (2001), The Constant Gardener (2005), Tinker Tailor Soldier Spy (2011), A Most Wanted Man (2014), Our Kind of Traitor (2016).
Nicholas Sparks – 11 Adaptations
Message in a Bottle (1999), A Walk to Remember (2002), The Notebook (2004), Nights in Rodanthe (2008), Dear John (2010), The Last Song (2010), The Lucky One (2012), Safe Haven (2013), The Best of Me (2014), The Longest Ride (2015), The Choice (2016).
Stephen King – 43 Adaptations
Carrie (1976), The Shining (1980), Creepshow (1982), Cujo (1983), The Dead Zone (1983), Christine (1983), Children of the Corn (1984), Firestarter (1984), Silver Bullet (1985), Maxiumum Overdrive (1986), Stand By Me (1986), The Running Man (1987), Pet Sematary (1989), Graveyard Shift (1990), Misery (1990), Needful Things (1993), The Dark Half (1993), The Shawshank Redemption (1994), Dolores Claiborne (1995), The Mangler (1995), Thinner (1996), The Night Flier (1997), Apt Pupil (1998), The Green Mile (1999), Hearts in Atlantis (2001), Dreamcatcher (2003), Secret Window (2004), Riding The Bullet (2004), 1408 (2007), The Mist (2007), Dolan’s Cadillac (2009), Carrie (2013), Mercy (2014), A Good Marriage (2014), Cell (2016), The Dark Tower (2017), IT (2017), Gerald’s Game (2017), 1922 (2017), Pet Sematary (2019), IT: Chapter 2 (2019),* In the Tall Grass (2019),* Doctor Sleep (2019).*
* Upcoming releases.