The Memoirs of Casanova, though they have enjoyed the popularity of a bad reputation, have never had justice done to them by serious students of literature, of life, and of history. One English writer, indeed, Mr. Havelock Ellis, has realised that 'there are few more delightful books in the world,' and he has analysed them in an essay on Casanova, published in Affirmations, with extreme care and remarkable subtlety. But this essay stands alone, at all events in English, as an attempt to take Casanova seriously, to show him in his relation to his time, and in his relation to human problems. And yet these Memoirs are perhaps the most valuable document which we possess on the society of the eighteenth century; they are the history of a unique life, a unique personality, one of the greatest of autobiographies; as a record of adventures, they are more entertaining than Gil Blas, or Monte Cristo, or any of the imaginary travels, and escapes, and masquerades in life, which have been written in imitation of them. They tell the story of a man who loved life passionately for its own sake: one to whom woman was, indeed,