Poison In The Blood: The Memoirs of Lucrezia Borgia    by M. G. Scarsbrook
Price: $4.99 USD. 87590 words. Published on November 5, 2010. .
1497, Renaissance Rome: in their ruthless quest for power, the powerful Borgia family are terrorizing the city, poisoning their enemies. But when Lucrezia Borgia learns that her new husband is next to die, she struggles to help him escape from Rome before the assassins strike. However, as tragedy looms ever closer, she finds herself confronting enemies far more sinister than she ever imagined...

A Borgia Daughter Dies    by Maryann Philip
Price: $0.99 USD. 74290 words. Published on April 13, 2012. .
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.