Joseph Adler is a notable figure in the realm of physical media, particularly recognized for his directorial work that resonates with collectors and cinephiles alike. His 1978 film, *Convention Girls*, has become a cult favorite, celebrated not only for its provocative subject matter but also for its unique glimpse into the world of adult film conventions. This film stands out within the collectible market due to its limited early VHS releases and its candid portrayal of the era's pop culture, making it a prized possession for those interested in the evolution of adult cinema. Adler’s work often reflects a blend of art and commerce, appealing to collectors who appreciate the historical context of film. Beyond *Convention Girls*, his contributions to various film festivals and retrospectives underscore his impact on independent cinema. Collectors seek out Adler's films for their rarity and the cultural conversations they ignite, making his titles essential for anyone curating a comprehensive collection of 1970s cinema.