Jurassic Park is a techno-thriller novel written by Michael Crichton that was published in 1990. Often considered a cautionary tale on unconsidered biological tinkering in the same spirit as Mary Shelley's Frankenstein, it uses the mathematical concept of chaos theory and its philosophical implications to explain the collapse of an amusement park showcasing certain genetically recreated dinosaur species. It was adapted into a film in 1993. The book has one sequel, The Lost World, in 1995, which was also adapted into a film, in 1997.