The book "RX-7: The New Mazda RX-7 and Mazda Rotary Engine Sports by Jack K. Yamaguchi" is a nonfiction work published in 1986 by St. Martin's Press. It focuses on the automotive topic of the Mazda RX-7, specifically exploring the features and capabilities of this sports car. The book is written in English and includes illustrations, making it an informative read for adult enthusiasts of transportation and automotive technology. With a hardcover format and dust jacket, this 280-page book provides insight into the world of Mazda rotary engines and sports cars.