This book on the history of trade in Frankfurt is an unaltered, high-quality reprint of the original edition from 1921. The present third volume comprehensively presents book printing and the book trade from the time before Christian Egenolf (1530) to the period of the Frankfurt book trade fair and the booksellers' fair in 1730, as well as the money and credit business from the Middle Ages to 1690, and the transportation system and publishing related to transportation. Vero Verlag publishes literature on various topics 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 scholars are now only available as antiques. Vero Verlag reissues these books, thereby contributing to the preservation of increasingly rare literature.