significant impact of London and Westminster as centers of this burgeoning industry. The opening of the work establishes the foundation of Duff's lectures, delivered as the Sandars Reader in Bibliography. In these introductory sections, he contextualizes the history of printing, contrasting it with the obscurities found in other nations' histories. The narrative begins with an emphasis on Caxton's pivotal role in introducing printing to England, detailing his life, the challenges he faced, and the types of books he printed. It also addresses early rivalries in the English book trade and sets the stage for a closer look at other printers who emerged after Caxton, signaling the beginning of a much broader exploration into the development of printing and publishing from the late 15th to the early 16th centuries. (This is an automatically generated summary.)