The History of the Life of Leonard Torstenson is a book written by John Watts De Peyster and published in 1855. The book is a biography of Leonard Torstenson, a Swedish military commander who played a significant role in the Thirty Years' War in Europe during the 17th century.The book provides a comprehensive account of Torstenson's life, from his early years in Sweden to his rise to prominence as a military leader. It covers his military campaigns,...