The success of "I Was a Teenage Werewolf" (1957) thus brought AIP a large return—made for about $100,000, it grossed more than . As the film's title suggests, the studio relied on both fantastic genre subjects and new, teen-oriented angles. When "Hot Rod Gang" (1958) turned a profit, hot rod horror was given a try: "Ghost of Dragstrip Hollow" (1959). David Cook credits AIP with leading the way "in demographic exploitation, target marketing, and saturation booking, all of which became standard procedure for the majors in planning and releasing their mass-market 'event' films" by the late 1970s. In terms of content, the majors were already there, with films about juvenile delinquency such as Warner Bros.' "Untamed Youth" (1957) and MGM's "High School Confidential" (1958), both starring Mamie Van Doren.