The Boy on the Wooden Box

The Boy on the Wooden Box is the story of a man who, as a boy, was saved from Nazi death camps by Oscar Schindler.
This book handles a challenging topic in an age appropriate way, in my opinion.  Read in a classroom setting,  there's great opportunity for rich discussion about the topics of character, courage, and charity.

Whoever saves one life, saves the world entire.  ~The Talmud