The definitive book on the subject of W.E Hill and Sons by former employee Malcolm SadlerSadler went on to start Ealing StringsQuarter vellum leather spine binding on green cloth hardbackA pristine copy in entirely as new seemingly unread conditionReplete with insider knowledge and heaps of great photographs of bows  mainly though other Hill instruments mainly string alsoIt contains a comprehensive (as oppossed to incomplete excerpts poached by some websites ) of all the numbered Hill bow makers and their histories