XX by Rian Hughes uses different fonts for different characters. The story isn't told in a linear fashion and there are plenty of twists and doubling back.
'The Iron Dream' by Norman Spinrad. In 1921, a young German war veteran named Adolph Hitler left his homeland and moved to America. He settled in New York's Greenwich Village and started illustrating pulp novels. After a few years he was confident enough to start writing. This book is considered his masterpiece ...