"Heirs of the Kingdom" is a book written by Ingrae John Henry, which reveals the fascinating story of the claimants to the royal throne. The author examines and compares the various claimants, depicting their ambitions, claims, and the historical circumstances that accompanied their claims to the crown. A fascinating mix of political history, internal struggles and ambitions, "Heirs of the Kingdom" will shed light on little-known pages of history and reveal to the reader interesting details about the ambitions of the people who claimed power.