They saw a man sitting on the windowsill ... he drew busily in a red-edged book ... with a silver-pointed pencil.... Presently he took a reed pen from his satchel, and trimmed it with a little ivory knife, carved in the semblance of a fish.... "That blade is perilous sharp. I made it myself of the best Low Country cross-bow steel.... and that's my inkhorn. I made the four silver saints round it. Press Barnabas's head. It opens, and then -" He dipped the trimmed pen, and ... began to put in the essential lines of Puck's rugged face, that had been but faintly revealed by the silver-point.