'The envelopes presented in this book were painted by LWFB and addressed to his wife Emily Behrens and their three younger children - Tyra, Brian and Roy while away at school ... between 1897 and 1899; 25 reproductions of illustrated envelopes, short biographies of correspondents, all some distance from emails; laid in is a note from the editor sending the book, '... in gestation for 10 years ...'