This hardcover book titled "Transmission Line Transformers" by Jerry Sevick is a valuable resource for those interested in the technology and engineering of radio. Published by the American RADIO RELAY League, Incorporated, this book provides a comprehensive guide to the subject matter.

The book is written in English and covers topics such as transmission line transformers, radio frequency transformers, and their applications. It is an excellent addition to any library of books on technology and engineering, and is sure to be a valuable resource for those interested in the subject.