Books in the The Codebreakers series

In the midst of the Great War, Margot De Wilde spends her days deciphering intercepted messages. But after a sudden loss, her world is turned upside down. Lieutenant Drake Elton returns wounded from the field, followed by a destructive enemy. Immediately smitten with Margot, how can Drake convince a girl who lives entirely in her mind that sometimes life's answers lie in the heart?

All of England thinks Phillip Camden a monster for the deaths of his squadron. As Nurse Arabelle Denler watches him every day, though, she sees something far different: a hurting man desperate for mercy. But when an old acquaintance shows up and seems set on using him in a plot that has the codebreakers of Room 40 in a frenzy, new affections are p

A skilled cryptographer, Zivon Marin fled Russia determined to offer his skills to the Brits. Lily Blackwell is recruited to the intelligence division to help the war with her unsurpassed camera skills. But when her photographs reveal Zivon is being followed, his loyalty is questioned and his enemies are discovered to be closer than he feared.