A Crown in Time: The Tempus U time Travel Series

In the far future, a convicted criminal is given a chance at redemption. Her mission? To save the crown of France by convincing a young noble not to join the ill-fated Eighth Crusade. But nothing goes as planned, and Isobel finds herself accompanying a hot-headed youth on his way to fight the infidel in Tunis: a battle Isobel knows is fated to be lost. From the rainy villages of medieval France, to the scorching desert of Tunis - Isobel faces her destiny and tries to fulfill her duty, knowing she can never return to her time, knowing that a wrong move can doom the future, or doom her to be burned as a witch.