Indiana Jones and the Last Crusade was the focus of a "Young Indiana Jones" series of young adult novels that began in 1990; by the ninth novel, the series had become a tie-in to the television show. German author Wolfgang Hohlbein revisited the 1912 prologue in one of his novels, in which Indiana encounters the lead grave robber—whom Hohlbein christens Jake—in 1943. The film's ending begins the 1995 comic series "Indiana Jones and the Spear of Destiny", which moves forward to depict Indiana and his father searching for the Holy Lance in Ireland in 1945. Spielberg intended to have Connery cameo as Henry in "Kingdom of
Indiana Jones Costume designer Deborah Nadoolman Landis noted that the inspiration for the series as well as Indiana Jones' outfit was Charlton Heston's Harry Steele in "Secret of the Incas" (1954) and called "Raiders of the Lost Ark" "almost a shot for shot" remake of the Heston film, citing that Indiana Jones was "a kinder, gentler Harry Steele": "We did watch this film together as a crew several times, and I always thought it strange that the filmmakers did not credit it later as the inspiration for the series." Many people are said to be the real-life inspiration of the Indiana Jones