The dust cover has tears but protected with plastic cover. Pages are discolored due to age.
The product is a vintage hardcover book titled "Radio Operating Questions and Answers" by authors Arthur Nilson and J.L. Hornung, originally published in 1948 by McGraw-Hill. It is a revised edition with illustrations and 524 pages, covering topics related to radio operation and broadcasting. The book is written in English and is intended for young adults and adults interested in engineering and technology, specifically focusing on radio operating techniques and guidelines.