Indiana Jones Chronicles" explains how Indiana becomes solitary and less idealistic following his service in World War I. In "Indiana Jones and the Kingdom of the Crystal Skull", Jones is older and wiser, whereas his sidekicks Mutt and Mac are youthfully arrogant and greedy, respectively. Indiana Jones is modeled after the strong-jawed heroes of the matinée serials and pulp magazines that George Lucas and Steven Spielberg enjoyed in their childhoods (such as the Republic Pictures serials, and the Doc Savage series). Sir H. Rider Haggard's safari guide/big game hunter Allan Quatermain of "King Solomon's Mines", who dates back to 1885, is a
Indiana Jones (franchise) Further Adventures of Indiana Jones" in 1983, and Dark Horse Comics earned the comic book rights to the character in 1991. Novelizations of the films have been published, as well as many novels with original adventures, including a series of German novels by Wolfgang Hohlbein, twelve novels set before the films published by Bantam Books, and a series set during the character's childhood inspired by the television show. Numerous "Indiana Jones" video games have been released since 1982. The first film, "Raiders of the Lost Ark" (1981) is set in 1936. Indiana Jones (Harrison Ford) is hired by government agents