No. 1 Sunday Times Bestseller Bestselling author Tom Bower reveals the making of a monarch – King Charles III King Charles faces many challenges as he succeeds his mother to the throne. Despite his hard work and genuine concern for the disadvantaged, King Charles III has struggled in the past to overcome his unpopularity. After Diana's death, his approval rating crashed to four per cent and has been only rescued by his marriage to Camilla. In unearthing many secrets and dramas surrounding King Charles, Bower's book, relies on the testimony from over 120 people employed or welcomed into the inner sanctum. The result is a book which uniquely probes the character and court of Charles that no one, until now, has seen. It offers an unrivalled and intimate look at King Charles, his many years as heir and how a monarch was made. Previously published as Rebel Prince.