In this provocative book, Faye uses excerpts from unpublished seminars to show that Heidegger’s philosophical writings are fatally compromised by an adherence to National Socialist ideas.I suspect that unpublished in this sense means: have not all been translated to English or French yet. Summer Semester 1934's Logik als die Frage nach dem Wesen der Sprache was delayed, but should be out before the end of the month.