Like Brian's Lucky T, this book is a little far fetched but rather interesting. Yuming's plight is fascinating-- a girl from a poor but hardworking family is kidnapped from a local park and kept locked up in a factory to make purses. This is certainly an important story that needs to be brought to the attention of young readers in the U.S., and this book, like Schroeder's Saraswati's Way or D'Adamo's Iqbal, is a good way to do this, since it contrasts Clara's life with that of Yuming's.
This also is on trend for the level of sadness found in middle grade literature. As in Shang's What Home Looks Like Now or Appelt's Maybe a Fox, Clara is struggling with her sister's death and working out her own way to move forward.