He wrote his famous book, "The Technique of Film Editing", before becoming involved in professional filmmaking. It was reviewed - not entirely favorably - in the magazine "Sight And Sound" by an actual film editor,
Seth Holt. When Reisz made his first feature film,
Saturday Night and Sunday Morning (1960), he hired Holt as his editor and, after their first day of working together, told him, "I didn't know what I was talking about, did I ?".