The Bren Gun Saga by Thomas B Dugelby published by Collectors Grade Publications, and as such is generally regarded as the best book on this weapon and goes into huge depth covering all the different marks and versions as well as development weapons, later post-war versions and of course accessories and magazines etc. Profusely illustrated, Apprx A4 Landscape with 382pp. Copies are advertised around the web for anything up to ?332!.
This copy is in as new condition, probably never been read!
Photo shows actual book