Indiana Jones and the Kingdom of the Crystal Skull focus on the "Star Wars" prequels. In 2000, Spielberg's son asked when the next "Indiana Jones" film would be released, which made him interested in reviving the project. The same year, Ford, Lucas, Spielberg, Frank Marshall and Kathleen Kennedy met during the American Film Institute's tribute to Ford, and decided they wanted to enjoy the experience of making an "Indiana Jones" film again. Spielberg also found returning to the series a respite from his many dark films during this period, such as "A.I. Artificial Intelligence", "Minority Report", and "Munich". Lucas convinced Spielberg to use aliens in the plot by saying
Indiana Jones and the Kingdom of the Crystal Skull the past films. Lego also released a series of computer-animated spoofs, "Lego Indiana Jones and the Raiders of the Lost Brick", directed by Peder Pedersen. Stern Pinball released a new Indiana Jones pinball machine, designed by John Borg, based on all four films. From October 2007 to April 2008, the re-edited episodes of "The Young Indiana Jones Chronicles" were released in three DVD box sets. Random House, Dark Horse Comics, Diamond Comic Distributors, Scholastic, and DK published books, including James Rollins' novelization of "Kingdom of the Crystal Skull", a two-issue comic book adaptation written by John Jackson Miller and drawn