Entertaining, but not nearly as good as the other Maugham stuff I’ve read (short stories and Moon and Sixpence). The ending is a bit abrupt, and though the homunculi were fun it would have been more interesting to keep the reader guessing: Is Haddo a charlatan using hypnosis and hallucinogens, or is it really black magic? Also, I bet this did a lot for Aleister Crowley’s ego and publicity machine, which seems unnecessary.