"The White Queen of Cannibals: The Story of Mary Slessor of Calabar" tells about the life and activities of the English missionary Mary Slessor, who found herself in the middle of the 19th century among cannibalistic tribes in Nigeria. This book reveals Mary's daring and disapproving actions in fighting the age-old customs and cultural shortcomings of these tribes, directing her life to help missionary work and protect the local population. Author AJ Bueltman gathers information from various sources to give the reader a complete picture of the bravery and devotion of Mary Slessor, who became one of the most famous missionaries of her time.