This is a reprint of a masterpiece manga representing the Showa era, featuring a young detective who was serialized in the monthly magazine "Bokura" for three years starting in 1959. Ken Kitamura, also known as Jet, rides a motorcycle wearing a white muffler and fights against bad guys with his dog Shane at his side. Jet's special weapon is Miracle Voice, which defeats enemies with a special shout. It was also made into a TV movie and was a huge hit. A masterpiece manga from the 1950s that is both a boy's detective story and a science fiction story. The book was published from 1956 to 1959, and although some parts have been republished since then, this is the first time it has been reprinted in color. There are essays and explanations at the end of the book.