About the book: 2004 / Leo Perutz is a famous Austrian expressionist writer, author of the bestseller "The Master of the Last Judgment", whose works evoke the best creations Hoffmann and Meyrink. “Leap into the Unknown” is a detective novel replete with apt psychological observations and tragicomic situations. In its construction and mise-en-scène, the book echoes the famous “The Invisible Man” by H. Wells.