Elda Hartley was a pioneering figure in documentary filmmaking, particularly known for her influential works that explore spirituality and nature. Active in the late 1960s, her standout films, such as *Zen and Now* (1969) and *The Flow of Zen* (1969), captivated audiences with their insightful examinations of Buddhist philosophy and its connection to everyday life. Collectors particularly cherish these titles not just for their content, but also for their unique aesthetic and pioneering approach to documentary storytelling. In 1968, *Buddhism, Man and Nature* showcased Hartley's ability to blend cinematic artistry with profound themes, further solidifying her legacy in the realm of physical media. The Hartley Film Foundation, which she established in 1976, continues to promote her vision of understanding spirituality through film, making her works sought after by collectors who appreciate the intersection of art and enlightenment. Hartley’s contributions remain a vital part of film history, particularly for those interested in the evolution of documentary filmmaking.