The author of the Jurassic Park is Michael Crichton. This book is about a zoo with genetically engineered dinosaurs. The main characters are Alan Grant, John Hammond, Ian Malcolm, Ellie Sattler, Lex Murphy, and Tim Murphy. The park was still in stages of opening but the investors want the park to have visitors before the park opens. Alan Grant and Ellie Sattler go to the park to see if it is ready for the public eye. John wanted to make all the money he could from the park. Malcolm thinks that the park is going to fail no matter what because of his chaos theory that if one thing goes wrong that everything will fall apart. disaster happens when Dennis Nedry shuts down the security systems to steal the