The collection includes works of Kuprin, not included in the collection of works and unknown to the reader - more than 150 new texts. The book is compiled on the basis of archival sources, publications in the pre-revolutionary press, as well as scattered in numerous newspapers of the revolutionary era and publications of Russian emigration. Some of the texts placed in this book are reproduced in Russia for the first time. The collection is preceded by an introductory article by the compiler. The publication is provided with detailed comments . Texts are reproduced in accordance with the norms of modern spelling and punctuation.