A younger mystery-adventure about a girl whose mother has disappeared in China, and the world of invisible animal friends who help her follow the clues! For fans of Leslie Margolis.Sienna is unhappy. Her mother has disappeared and she feels alone in Shanghai. Her only friend is Rufus--a sarcastic invisible dog with a VERY clear idea of how things should be done.When their mean housekeeper starts acting suspiciously, Sienna decides to investigate. She follows a trail of clues that leads her to a new friend, Feng, who also has an invisible animal friend and has lost a family member. Together they embark on a hunt through China that leads them to new friends, even more invisible animals, and a mysterious moonlit temple where Sienna's mother and Feng's brother were last seen.Are the disappearances linked to a priceless statue of the famous moon princess? And can they discover the dangerous truth?
