"8th edition, published by H. Tanner Jr. in Philadelphia and T.R. Tanner in New York, both presumably H. Tanner senior's sons. The large map appears unchanged from the 1840 edition. Large outline color map bound in back entitled, ""The Travellers Guide or Map of the Roads, Canals & Rail Roads of the United States, With the distances from place to place by H.S. Tanner."" At bottom of map, ""Entered ... 1834, by H.S. Tanner ... Pennsylvania."" Book bound with linen and with title embossed on cover, ""Tanner's American Traveller or Guide through the United States with Maps, Plans &c. 1842."""