Verlag: Published by the Author, Minneapolis, 1966
Anbieter: Rulon-Miller Books (ABAA / ILAB), St. Paul, MN, USA
8.5 x 5.5 in., 4 vols, pp. 20; 32; 20; 20; one folding plate; duplicated typescript with illustrations throughout; staplebound self-wrappers; first issue with some blue crayon scribbles on wrappers and one staple loose, else fine throughout. A playful elementary introduction to electronics, where each concept is represented by cartoon creatures interacting. No other copies recorded.