The Altering Eye: A Photographic Memory is a self-published collection of non-fiction writing that explores photography and memory. William Blake's poetic line "For the altering eye alters all" gives the book its title, alluding to perception's altering of reality.The author's unique perspective considers forty-one photographs, which serve as catalysts for the unravelling of memory. The book describes the origins of a Colombian photographer's passion for the medium while also delving into loss, love, and joy—the histories beyond the frame.