Super Short Summary

In Half Brother by Kenneth Oppel, the Tomlin family adopts a baby chimpanzee named Zan as part of a research project to explore whether chimpanzees can learn and use human language. The story follows the family's adjustments, the challenges of the experiment, and the growing bond between Ben and Zan, ultimately delving into themes of family, belonging, animal rights, and communication. The narrative contains descriptions of animal abuse, violence, and injury.