A Xinyi Picture Book Prize Honor winner. Door separates the outside world from the safety of the inside. A little boy is told by his mother not to open the door for strangers. But when a man needs the little boy's help getting his jacket, the boy remembers his mother's warning. The story vividly illustrates the delicate balance between protecting oneself and helping a stranger in need. In Simplified Chinese. Distributed by Tsai Fong Books, Inc.