This book includes two stories. In Man-Eaters Don’t Knock, Missionary Green and his helpers learn about Simba, the man-eating lion, and go to the village to help trap him. Everything they try fails, until one dark night. Then something amazing happens. In Man-Eaters and Massai Spears, Missionary Green and his helpers go to the fierce Massai tribe. They are tricked by two husky warriors who bring the three before Mbya, a tricky witch doctor.