hehe
Here’s a site identifying Pope Pius in 1929. Not ‘future Pope Pius XII’ but just ‘Pope Pius XII’:
http://www.the-tls.co.uk/tls/public/article1272467.ece
Apparently he's perpetrated another book about a Catholic great: Newmans Unquiet Grave: The reluctant saint. I don't think I'll order it from Amazon.