This is a 1951 reprint of a book originally published in 1934. The reprint title was changed to Sex Practices of Prisoners, it was originally published as Sex in Prison. It was written by Joseph F Fishman, former inspector of federal prisons. This 1951 edition is published by Padell Book Co. The book is in good condition for it's age, there are a few penciled notations and underlinings, see photo for example. The dustjacket has some wear and tear around the edges, as shown  in photos.