Vintage early 1960s technical books on transistor radio repair

Lot of vintage technical books on transistor radio repair and electronic printed circuits.

There is a two volume set of Hot to Fix Transistor Radios and Printed Circuits copyright 1961 by Leonard Lane They have a combined total of about 320 pages with lots of illustrations.

There is also a 1959 book on printed circuits by Morse Moses. It has about 224 pages.

These old books are worn with soil and age from years in an attic. There is also some minor worm damage to the page edges.