Heathkit assembly manual for the AA-100 Stereo Amplifier. Tattered $10.00 plus postage. Heathkit "Kit Builders Guide" June 15, 1969. Nice condition. $5.00 plus postage Heathkit "Fall Flyer" 1955 Good condition. $10.00 plus postage. All three for $25.00 postpaid within the US. Thanks for looking, George W7HDL