<P> The film's exploration of fathers and sons coupled with its use of religious imagery is comparable to two other 1989 films, Star Trek V: The Final Frontier and Field of Dreams . Writing for The New York Times, Caryn James felt the combination in these films reflected New Age concerns, where the worship of God was equated to searching for fathers . James felt that neither Indiana or his father is preoccupied with finding the Grail or defeating the evil Nazis, but that, rather, both seek professional respect for one another in their boys' own adventure . James contrasted the temple's biblically epic destruction with the more effective and quiet conversation between the Joneses at the film's end . James noted that Indiana's mother does not appear in the prologue, being portrayed as already having died before the film's events began . </P> <P> The 1912 prologue refers to events in the lives of Indiana's creators . When Indiana cracks the bullwhip to defend himself against a lion, he accidentally lashes and scars his chin . Ford gained this scar in a car accident as a young man . Indiana taking his nickname from his pet Alaskan Malamute is a reference to the character being named after Lucas's dog . The train carriage Indiana enters is named "Doctor Fantasy's Magic Caboose", which was the name producer Frank Marshall used when performing magic tricks . Spielberg suggested the idea, Marshall came up with the false - bottomed box through which Indiana escapes, and production designer Elliott Scott suggested the trick be done in a single, uninterrupted shot . Spielberg intended the shot of Henry with his umbrella--after he causes the bird strike on the German plane--to evoke Ryan's Daughter . </P> <P> The film's teaser trailer debuted in November 1988 with Scrooged and The Naked Gun . Rob MacGregor wrote the tie - in novelization that was released in June 1989; it sold enough copies to be included on the New York Times Best Seller list . MacGregor went on to write the first six Indiana Jones prequel novels during the 1990s . Following the film's release, Ford donated Indiana's fedora and jacket to the Smithsonian Institution's National Museum of American History . </P> <P> No toys were made to promote the film; Indiana Jones "never happened on the toy level", said Larry Carlat, senior editor of the journal Children's Business . Rather, Lucasfilm promoted Indiana as a lifestyle symbol, selling tie - in fedoras, shirts, jackets and watches . Two video games based on the film were released by LucasArts in 1989: Indiana Jones and the Last Crusade: The Graphic Adventure and Indiana Jones and the Last Crusade: The Action Game . A third game was produced by Taito and released in 1991 for the Nintendo Entertainment System . Ryder Windham wrote another novelization, released in April 2008 by Scholastic, to coincide with the release of Indiana Jones and the Kingdom of the Crystal Skull . Hasbro released toys based on The Last Crusade in July 2008 . </P>

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