From number one bestselling author S. J. Parris, Execution is the sixth Tudor thriller featuring Giordano Bruno, heretic, philosopher and spy.

England, 1586. Giordano Bruno returns to England to bring shocking new intelligence to Sir Francis Walsingham. A band of Catholic Englishmen are plotting to kill Queen Elizabeth and spring Mary Queen of Scots from prison to take the English throne in her place. Bruno is surprised to find that Walsingham is aware of the plot, led by the young, wealthy noble Anthony Babington, and is allowing it to progress. His hope is that Mary will put her support in writing - and condemn herself to a traitor's death. Bruno is tasked with going undercover to join the conspirators. Can he stop them before he is exposed? Either way a queen will die; Bruno must make sure it is the right one...

“A delicious blend of history and thriller.” THE TIMES