My goal would be trying to bring some light to the world, which is often a dark and violent place.
I think my books talk about kids learning to like and respect themselves and each other. You can't write a message book; you just tell the best story you know how to tell.
For the record, I am sticking with my claim that the simultaneous degradation of air quality, water quality, water supply, food safety, soil quality, and other environment-related variables is the main challenge to China's continued development.