Photographer Harry Callahan's book focuses on his longtime collaboration with his wife, Eleanor, who was his most frequent subject from the 1940s to the 1960s. Set in diverse locations like public parks and their home, these photographs document Eleanor in various states—sometimes blurred or sharp, clothed or nude, depicting classical and modern styles. The images transcend traditional portraiture, illustrating Callahan's artistic exploration through techniques like large-format negatives, distortions, silhouettes, and multiple exposures. This series serves as an intimate visual diary of their relationship and Callahan's continuous experimentation with photography as an art form.