DescriptionPortraits and Stories Bill Riedel: Letterhead, Walldog, Pinhead.  Published December 26th, 2017. Hardbound; color illustrations; 225 pages This is a first hand account of what it was like to take a leap and open up a sign shop; Riedel explains how he was able to expand his knowledge of the sign industry and love for art; Riedel also shares some of his fondest memories as a Letterhead, Walldog and Pinhead. Written by Bill Riedel; transcribed and edited by Michele Riedel (granddaughter). Bill Riedel passed away.