The book "A Life in Lyrics" contains material from the Queen star's private archive, such as previously unpublished notes, sketches and photographs, reports Dagens Nyheter.
Among other things, the material includes selected verses from "Bohemian Rhapsody", early drafts of "Don't Stop Me Now", and complete songs that have never been recorded.
The Swedish edition will be published by HarperCollins on September 1.
Freddie Mercury died in 1991.
