The saga of the Borgias and the lives of Leonardo da Vinci and the young Machiavelli form the accurate historical background of this murder mystery, set in the opulence of Renaissance Rome and Milan. Machiavelli's illegitimate daughter and his bewitching ex-mistress will solve three murders with help from da Vinci and Lucrezia Borgia—including the murder of Lucrezia's real-life half sister.

Renaissance Florence at the zenith of its artistic splendor is the backdrop for this historically sequel to A Borgia Daughter Dies. Leonardo da Vinci uncovers a serial killer while working for the infamous Niccolò Machiavelli on a secret project for the Florentine Republic. A feared figure from Leonardo’s past also seeks his help, forcing him to re-live the nightmare of his public arrest after he was anonymously accused of homosexuality as a young man. Machiavelli’s mistress Caterina and their daughter Nicola will help Leonardo while trying to protect Caterina’s father, who lives in fear of death threats thrust under his door in the night. Are these events intertwined? Leonardo will find answers, while he strives towards his greatest artistic and scientific achievements, in company with some of the most famous artists in history

The corruption and grandeur of Renaissance Rome during young Martin Luther’s real-life visit form the backdrop to this tale of murder, war and papal politics. On arrival, Luther is nearly struck by the body of a naked, murdered cardinal thrust from a whorehouse window. Prime suspects behind this and other assassinations include “warrior” Pope Julius II and two future Medici popes, one of whom will become Luther’s future nemesis, Pope Leo X. Leonardo da Vinci and the infamous Niccolò Machaivelli play roles in a deepening mystery that ranges across war-torn Italy. Forced to work with the licentious artist Raphael and Machiavelli’s winsome daughter Nicola to solve the mystery, Martin Luther battles temptation and sin, while witnessing abuses key to shaping Protestant theology and his future destiny. Third Real History Mystery of the Italian Renaissance in the Nicola Machiavelli series

Murder. Treason. Conspiracy. In his first year as king, assassins steal cannons Henry VIII ordered from Italy’s finest armory and behead those guarding them. Is one of England’s feuding families determined to reignite the War of the Roses, or does the young king have new enemies?Caught in the middle between a lustful King Henry, his jealous Queen Katherine and the unknown conspirators is the winsome Nicola Machiavelli, who delivered the cannons. The King pursues her for sex and threatens her with death. The Queen, seeking to protect everyone, asks her to investigate. Nicola will explore coastal castles and witness the splendor of Tudor Christmas traditions to expose crimes that threaten Henry’s crown.