Books in the Thomas Hill Novels series

Spring, 1648. When Thomas Hill, a bookseller living in rural Hampshire, publishes a political pamphlet he has little idea of the trouble that will follow. When news of the king's execution reaches the island, political stability is threatened and a fleet commanded by Sir George Ayscue arrives to take control of the island for Cromwell.

Aware of Thomas's background as a mathematician and his expertise in codes and ciphers, the king has summoned him to his court in Oxford. On arrival, Thomas soon discovers that nothing at court is straightforward.