The fourth volume of the Collected Works of A. S. Green includes works of large form: the extravaganza “Scarlet Sails”, the novels “The Shining World”, “The Golden Chain”, “Treasure of the African Mountains”, well known to the reader. Published for the first time based on an autograph from 1926, “The Copper Needle Moth” is the beginning of the collective novel “Big Fires,” published in Ogonyok in 1927. The text of the book was translated from the original language using an artificial intelligence program. For the most part, the translation of the text is of very high quality, but in some cases, due to the imperfection of the technology, there may be incorrect phrase translations in the text, as well as single words and expressions may not be translated.