The novel "The Sun Man" takes the reader on a captivating journey to the Würm Ice Age. During this time, Homo Neanderthalensis lived in Central Europe until about 35,000 years ago. Suddenly, within a relatively short period, the ancestor of modern humans appeared and caused the original Europeans to disappear from the scene. With a claim to historical authenticity and through the fictional life story of a young Cro-Magnon man, the reader embarks on a quest to uncover the mysterious disappearance of the Neanderthals, who, genetically speaking, continue to live on in us today. "... a very exciting journey into the strange world of the Ice Age. As a keen observer, the author accompanies and describes the people like an ethnologist after an expedition. In a fantastic way, he manages to bridge the gap, using contemporary language to describe that other species of humans, whose forms of communication remain completely obscure archaeologically ...".