Rolf Gloeckner, born in Georgsmarienhütte in 1945, now lives in Oldenburg, is married and has a son with his own family. He is enjoying his well-earned retirement and now devotes his time to astronomy, astrophysics, photography and, of course and above all, writing fantastic stories. 'Mirrorworlds the twelve books' is the first adventure in the Mirrorworlds trilogy, which concludes with Mirrorworlds The crystal war ' and 'Mirrorworlds The witch castle'.