New York: Coward-McCann, 1930.
Illustrated by Author. First Edition; First Printing. Hardcover. Very Good- with no dust jacket. Item #14248
Two stains on spine, light tone, otherwise light wear. Solid hardcover.; First edition, first printing of this delightful juvenile story of "Sparky" teaching the children about Radio technology and electricity, enhanced by the author's wonderful illustrations. ; 85 pages.