New York: Prentice-Hall, 1948, hardcover. Book Condition: Very Good. Book has green cloth over boards with minimal stains, some slight corner bumping, age tanning to pages, and pen mark on half-title page, otherwise very clean and neat. No dust jacket. This book was created to help students qualify for radio operator licenses. It also gives students a background on the theory and practice involved in being a radio operator. The book covers basic radio laws, basic theory and practice, radiotelephony, radiotelegraphy, rules governing commercial radio operators, extracts from the Communications Acts of 1932. It also contains many illustrations of transformers, resistors, amplifiers, etc.