In this critical examination of Descartes's Fourth Meditation and the latter part of the Sixth Meditation, Joel Thomas Tierno has produced not only an interesting contribution to Cartesian scholarship, but also a groundbreaking work in theodicy.<BR>The distinctive feature of Tierno's arguments is that his conclusions are drawn from the failure of the arguments of the Fourth Meditation. He implies that these arguments are crucial to Descartes's philosophical project as a whole end, as such, deserve greater attention.