When 7-year-old Meredith Pennyfather is sold as an indentured servant (contradiction in terms) to Redwald Castle, she learns more than just how to serve tea. Vicar William Grimsditch teaches his young serving girl an additional lesson: evil exists. Meredith watches the vicar sell his soul to the devil and then try to cheat his way out of the debt. She watches him make mistakes, and she sees what happens when the vicar runs out of tricks. After the vicar’s “mysterious” disappearance, Meredith finds work at Strathclyde castle where the evil gets personal. Now she is desperate: desperate to find her parents, to clear her name of a false theft accusation and to save herself and her friend, Jonas, from burning at the stake for witchcraft. Despite knowing the deadly consequences, Meredith Pennyfather must sacrifice everything and face the devil . . . again.
SUMMONING is a young-adult novel based loosely on a “true” Irish witch story told from the point of view of a serving girl who, according to historical accounts, was caught summoning the devil years after the vicar’s mysterious disappearance. SUMMONING follows the fictitious story of this girl as she dares to face the same darkness that claimed her former employer. But while his failure was a corrupt heart, Meredith’s compassion is her salvation.
There's just nothing new here. You'll need a something that gives this a twist, or a new/fresh approach before I'd read further.