Wikipedia - "The guides, often referred as simply 'Baedekers' (sometimes the term is used about similar works from other publishers, or in reference to any kind of guide), contain important introductions, descriptions of buildings, of museum collections, etc., written by the best specialists, and are frequently revised in order to be up to date. For the convenience of travellers, they are in a handy format and in small print."
Wikipedia, Old Guide Books, Baedeker
Wikipedia, Old Guide Books, Baedeker