—Kirkus, starred review
"What captivates is the world that Moriarty has created, one where magic is woven into the very fabric. . . A touch of Chabon, a hiss of steampunk, and a blast of originality."
—Booklist, starred review
"Moriarty has once again fashioned a complex mystery and adventure that is as twisted and unexpected as the stairways and rooms of the tenement buildings he so adeptly describes."
—School Library Journal