Lot of Vintage Ham Radio booklets from 1940’s to 1960’s worth $500 for much less

Lot of 10 vintage ham radio booklets from the 1940’s to the 1960’s plus one “More Wire Antenna Classics” Vol 2 from 2007. Most valuable booklet is the rare “Ham Notebook volume 1” First Edition, Second Printing 1975, Capital City Press, Montpelier, Vermont. MODEL HW-202 2 Meter FM Transceiver HEATHKIT Assembly Manual 1973 and companion spec pamphlet. A transient voltage suppression manual by General Electric. IC operational amplifiers book by Melen & Garland. “Learning the Radiotelegraph Code” rare 1960’s booklet. An old 1944 A.R.R.L. Antenna Book by the American Radio Relay League. “Hints and Kinks for the Radio Amateur” booklet from 1954, rare. And “Simpson Instruments That Stay Accurate” Operator’s Manual. Condition is very good. No writing inside books. 10 books here worth over $500 at real prices individually on ebay and amazon and other outlets are offered to you for $72.20 with free shipping. All together they weigh about 9 lbs. upper closet on top of bks Perfect for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.