This is the second edition of a 1979 commentary on the book of Daniel. The commentary is completely revised and the introduction in particular is here much extended and addresses fundamental questions regarding the book of Daniel and the apocalyptic movement it inaugurates (with 1 Enoch). Daniel is an indispensable trove and reference about issues like the apocalyptic vision of worlds periodized history the notion of Son of Man messianism without a messiah the belief in resurrection the kingdom