This is a vintage paperback book titled "From 5 Watts to 1,000 Watts" published by Radio Shack in 1974. The book is a guide for CB and Ham radio enthusiasts and covers topics related to engineering and technology. It is written in English and is an original publication by Radio Shack. The book is a great resource for those interested in Ham Radio and was likely sold in Radio Shack stores during the 1970s.