Thomas Hill Trilogy #1 Summer, 1643. England is at war with itself. King Charles I has fled London, his negotiations with Parliament in tatters. The country is consumed by bloodshed. For Thomas Hill, a quiet man running a bookshop in the rural town of Romsey, knowledge of the war is limited to the rumours that reach the local inn. When a stranger knocks on his door informing him that the king’s cryptographer has died, everything changes. Aware of Thomas’s expertise in codes and ciphers, the king has summoned him to Oxford. On arrival, Thomas soon discovers that nothing at court is straightforward. There is evidence of a traitor in their midst. Brutal murder follows brutal murder. When a vital message is intercepted, encrypted with a notoriously unbreakable cipher, more lives are in danger. But will Thomas decipher it in time to reveal the king’s betrayer and prevent another violent death?

Thomas Hill Trilogy #2 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. He is quickly arrested, forced on a boat to Barbados and condemned to life as a slave to two of the island’s most notoriously violent brothers. In England war has erupted again, with London under threat of attack. 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. The threat of violence increases. Thomas finds himself witness to abuse, poison, rape and savage brutality. When a coded message from Ayscue to a sympathiser on the island is intercepted, Thomas is asked to decipher it. A disastrous battle seems inevitable. But nothing turns out as planned. And as the death toll mounts, the escape Thomas has been relying on seems ever more unlikely…

Thomas Hill Trilogy #3 Spring, 1661. After years of civil war followed by Oliver Cromwell’s joyless rule as Lord Protector, England awaits the coronation of King Charles II. The mood in London is one of relief and hope for a better future. But when two respectable gentlemen are found in a foul lane with their throats cut, it becomes apparent that England’s enemies are using the newly re-established Post Office for their own ends. There are traitors at work and plans to overthrow the king. Another war is possible. Thomas Hill, in London visiting friends, is approached by the king’s security advisor and asked to take charge of deciphering coded letters intercepted by the Post Office. As the body count rises and the killer starts preying on women, the action draws closer to Thomas – and his loved ones. He finds himself dragged into the hunt for the traitors and the murderer, but will he find them before it’s too late?