Beelzebub's Tales to His Grandson or An Objectively Impartial Criticism of the Life of Man is the first volume of the All and Everything trilogy written by the Greek-Armenia mystic G. I. Gurdjieff. The All and Everything trilogy also includes Meetings with Remarkable Men (first published in 1963) and Life Is Real Only Then, When 'I Am' (first privately printed in 1974).