The thrilling narrative tells of the beginning of the relentless feud between the Cortejo brothers and the Counts of Rodriganda. At the center of the adventures is the popular hero Karl Sternau, about whom astonishing revelations regarding his true origins are made. The story takes place in Spain, France, and Germany. This tale is set in the late 1840s. It is an adaptation of the popular novel "Das Waldröschen." "The Children of the Duke" is part of a six-volume series. Other volumes include: Volume 51 Castle Rodriganda, Volume 52 The Pyramid of the Sun God, Volume 53 Benito Juarez, Volume 54 Trapper Vulture Beak, Volume 55 The Dying Emperor. The title is also available as an e-book.