For math prodigy Leonhard Euler, the Bernoulli family have been more than just friends. But his mentor, Master Johann, and his sons are engaged in a ruthless competition for prestige among Europe?s mathematical elites. And now, their aspirations may have turned deadly. Lured into an investigation of the suspicious death of Jacob Bernoulli, his master?s brother, twenty years ago, Leonhard soon discovers he?s facing an elusive puzzle as complicated as any math equation.
