Jurassic Park is a 1990 science fiction novel written by Michael Crichton, divided into seven sections (iterations).
 A cautionary tale about genetic engineering, it presents the collapse of an amusement park showcasing genetically recreated dinosaurs to illustrate the mathematical concept of chaos theory and its real world implications.
 A sequel titled "The Lost World", also written by Crichton, was published in 1995.
 In 1997, both novels were re-published as a single book titled "Michael Crichton's Jurassic World", unrelated to the film of the same name.
Grave Descend is a novel written by Michael Crichton under the pseudonym John Lange.
 It was originally published in 1970, and later re-released in 2006 as part of the Hard Case Crime series.
 For this release, Michael Crichton did an overall revision of the text.
 The novel was nominated for the Edgar Award in 1971.
 Hard Case Crime will republish the novel under Crichton's name on October 29, 2013.
The Lost World is a techno thriller novel written by Michael Crichton and published in 1995 by Knopf.
 A paperback edition (ISBN  ) followed in 1996.
 It is a sequel to his earlier novel "Jurassic Park".
 In 1997, both novels were re-published as a single book titled "Michael Crichton's Jurassic World", unrelated to the 2015 film of the same name.
Micro is a techno-thriller novel by Michael Crichton, published posthumously in 2011.
 Upon his death in 2008, an untitled, unfinished manuscript was found on his computer, which would become "Micro" and complete his two-book deal with publisher HarperCollins.
 HarperCollins chose science writer Richard Preston to complete the novel from Crichton's remaining notes and research, and it was finally published in 2011.
 "Micro" is Crichton's second posthumous novel; "Pirate Latitudes", a historical thriller, was also found on his computer and published posthumously in 2009.
Travels (published in 1988) is a nonfiction book by Michael Crichton that details Crichton's attempts to leave his medical education at Harvard Medical School, followed by his subsequent travel to Los Angeles and adventures continuing his professional writing career, beginning with "The Great Train Robbery" (1975).
 After his initial book became a movie starring Sean Connery, Crichton describes his adventures over the world, and ultimately his experience with mysticism, including out-of-body experiences, astral projection, and fortune-telling.
Larry Joe Baker was an American college and professional football player.
 An offensive tackle, he played college football at Bowling Green State, and played professionally in the American Football League for the New York Titans in 1960.
The Andromeda Strain is a 1969 techno-thriller novel by Michael Crichton documenting the efforts of a team of scientists investigating the outbreak of a deadly extraterrestrial microorganism in Arizona.
 "The Andromeda Strain" appeared in the "New York Times" Best Seller list, establishing Michael Crichton as a genre writer.
John Michael Crichton ( ; October 23, 1942 – November 4, 2008) was an American best-selling author, screenwriter, film director and producer best known for his work in the science fiction, medical fiction and thriller genres.
 His books have sold over 200 million copies worldwide, and many have been adapted into films.
The Hurricane Express is a 1932 American Pre-Code 12-chapter Mascot Pictures film serial starring John Wayne as airplane pilot Larry Baker, who goes after a mystery villain named "The Wrecker", who was responsible for a train crash that killed Baker's father.
Congo is a 1995 action adventure film loosely based on Michael Crichton's novel of the same name.
 It was directed by Frank Marshall (a frequent collaborator of Steven Spielberg, who directed another film based on Crichton's work, "Jurassic Park").
 It stars Laura Linney, Dylan Walsh, Ernie Hudson, Tim Curry, Grant Heslov, and Joe Don Baker.
 The film was released on June 9, 1995, by Paramount Pictures.
 "Congo" opened to negative reviews but performed better than Paramount expected.

Question: Which person has had sold more books than the other, Larry Baker or Michael Crichton?
Answer: Michael Crichton