If you love reading about socialism, art, modern dance, mysticism, and the minutes of every post-WWI European peace conference, with a dash of action and adventure thrown in - or, in better words, “antifascist propaganda entertainingly packaged in the wrappers of popular literature” - check out the “Lanny Budd” series by Upton Sinclair, published 1940-1953, Curtis Books reprints 1973.
As a bonus, this series probably includes the strangest and unlikeliest nickname for Adolf Hitler in all of literature:














