While many missionaries died within months, this fiery mill worker from Scotland labored in love among the unreached tribes of Africa's Calabar region for thirty-nine years (1848-1915).

This best-selling, missionary biography series - Christian Heroes: Then & Now - chronicles the exciting, challenging, and deeply touching true stories of ordinary men and women whose trust in God accomplished extraordinary exploits for His kingdom and glory.

An accompanying Unit Study Curriculum Guide is available. This book is also available in Spanish.