Chicago Record: Very few recent novels which have come out of England will compare with this story in two points—absolute conciseness of form and analysis of motive.... Here is a theme of vital truthfulness and Mr. Louis Zangwill has dealt with it with the hand of a master of form....
A Nineteenth Century Miracle.
Academy: As tantalizing a problem as was ever bound in cloth.
Pall Mall Gazette: As tangled a skein as ever the brain of Gaboriau evolved.
Daily Chronicle: We have seldom read a better piece of mystification.
Morning Leader: It would probably defy the most ingeniously imaginative reader to make in the course of the story even an approximate leap toward the heart of the miracle that Louis Zangwill has wrought for his astonishment.