Der Rote Hengst, Prisma-Verlag Zenner & Gurchott, Leipzig, 1965
Der Rote Hengst, Boje-Verlag, Stuttgart, 1966
As Firelight the Red Stallion, The Bodley Head, London, 1970, trans Rosaleen Ockenden, illus Michael Charlton, 224 pp.
The Bodley Head, Sydney, 1972, pb, special Australian edition, 224 pp.
This is set during the period of the last great Ice Age, and is about CroMagnon man, and his relationship with the horse.