Set in Renaissance France at the magnificent court of the Valois kings, THE RIVAL QUEENS is the history of two remarkable women, a mother and daughter driven into opposition by a terrible betrayal that threatened to destroy the realm.

Catherine de' Medici, the infamous queen mother of France, was a consummate pragmatist and powerbroker who dominated the throne for 30 years. Her youngest daughter Marguerite, the glamorous 'Queen Margot', was a passionate free spirit, the only adversary whom her mother could neither intimidate nor control.

When Catherine forces the Catholic Marguerite to marry her Protestant cousin Henry of Navarre against her will, and then uses her opulent Parisian wedding as a means of luring his Huguenot followers to their deaths, in the notorious St Bartholomew's Massacre of 1572, she creates not only savage conflict within France but also a potent rival within her own family.

Rich in historical detail and vivid prose, Nancy Goldstone's narrative unfolds as a thrilling historical epic. Treacherous court politics, poisonings, international espionage and adultery form the background to a story whose fascinating array of characters include such celebrated figures as Elizabeth I, Mary, Queen of Scots, and Nostradamus.

From Catherine's early struggles with her husband's exquisite mistress, Diane de Poitiers, and her exultant rise to power, through Marguerite's poignant sacrifice of love and happiness to save her husband's life, and ultimately to the political awakening that leads to a threat to her very survival, THE RIVAL QUEENS is a dangerous tale of love, betrayal, ambition and the true nature of courage, the echoes of which still resonate.