It was published by Evin Art Gallery in 2019 simultaneously with Ahmet Elhan's solo exhibition titled “Diptychs IV”; in order to document his Diptychs series which he has been working on for many years. Besides the photos the book includes: Fırat Arapoğlu’s text titled “Two Faces of Truth: Perception and Reality” which is a genealogical analysis about Elhan’s series Diptychs I in which the artist combines the same landscape from two different angles, Diptychs II in which his mirrored images come together, Diptychs III in which creates a three-dimensional feeling and emphasizes the different perspectives of the eye and Diptychs IV where images from nature are combined with the lines of frosted glass. In addition, Osman Nuri İyem's comprehensive text titled "Ahmet Elhan's Dilemmas" in which he deals with the artist's entire corpus.