Mr. Karl Bonnet's Treatises on Insectology is an unaltered, high-quality reprint of the original edition from 1773. Hansebooks is a publisher of literature on various subjects 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.