Commonsense Media rates books for parents - telling them what they need to know, e.g., how much educational value, positive messages, positive role models, violence, bad language... This review mentions the author lives in Shanghai.
interview with the author of Emma and the Blue Genie -- ""I love this one because it shows first of all how hard it can be to be a sister of many brothers; I've seen many girls who are very patient with their little brothers, very caring-but it's sometimes a hard task"