Question: is night at the museum based on a book

Answer: Yes, Night at the Museum is a 2006 American fantasy-comedy film directed by Shawn Levy and written by Robert Ben Garant and Thomas Lennon, based on the 1993 children's book of the same name by Croatian illustrator Milan Trenc. The film stars Ben Stiller as Larry Daley, a divorced father who applies for a job as a night watchman at New York City's American Museum of Natural History and subsequently discovers that the exhibits, animated by a magical Egyptian artifact, come to life at night.