The most lavish and beautiful reference book in our office is Heribert Tenschert’s catalogue 48 dedicated to “Das Buch der Bücher” [THE book of books] – the bible. As recently written by Nicolas Barker in The Book Collector, “There can be no doubt that the catalogues…that Heribert Tenschert has published over the last half-century, have been the grandest, in scope and physical form, produced by any bookseller in that period.”[1] This book is massive, weighing in at 7 pounds 15 ounces, measuring 350 by 250mm (13 ½ by 10 inches) and comprising 536 pages of extra-thick glossy paper. The most lavish and beautiful reference book in our office is Heribert Tenschert’s catalogue 48 dedicated to “Das Buch der Bücher” [THE book of books] – the bible. As recently written by Nicolas Barker in The Book Collector, “There can be no doubt that the catalogues…that Heribert Tenschert has published over the last half-century, have been the grandest, in scope and physical form, produced by any bookseller in that period.”