Not sure if this is terribly old, but here is a book by Erik Spiekermann and Carolina de Bartolo. Basically it's not the book itself that interests me (the layouts don't seem very practical and reading the same (?) article over and over, I don't know. I think they could've come up with more content. This is based on the first impression though, I will have to wait till the book arrives) The site is remarkably well done, it's almost like a layout app in your browser, or at least a great specimen tool for a type foundry. Here it is: Explorations in Typography
