The book titled "Judo" was originally published in 1903 by Ryohei Uchida, a political activist, and martial artist. The book discusses the history and the roots of judo, and debates many ideas that were popular at the time, that are still relevant today. Such as who invented the techniques found in the judo curriculum, and from which country did judo originate from. As well sumo's contribution to judo. This book contains a bilingual translation (English and modern Japanese) of the chapter titled "The origins and history of judo" found in Uchida's book "Judo", and a foreword by the translator.