Dr. C. F. W. Walther - A Life Portrait is an unaltered, high-quality reprint of the original edition from 1890. Hansebooks is a publisher of literature across various fields such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. The focus of the publisher is on preserving historical literature. Many works by historical writers and scientists are now only available as antiques. Hansebooks reprints these books, contributing to the preservation of rare literature and historical knowledge for the future. The Wild Northland is an unaltered, high-quality reprint of the original edition from 1874. Hansebooks publishes literature in various subject areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres.