Although it was not PERSON@1 's first work , it was his major achievement , and has iconic status in the LOCATION@1 as the book that marks the start of the `` Gutenberg Revolution '' and the age of the printed book .

Although it is not the first book to be printed by PERSON@1 's new movable type system , it is his major work , and of central importance for the start of the `` Gutenberg Revolution '' and the MISC@1 '' .
