The Square of Sevens by Laura Shepherd-Robinson

An orphaned fortune teller in 18th-century England uses an ancient divination method called the Square of Sevens to uncover secrets about her mysterious past. Raised in Georgian society after her father's death, Red searches for answers about her mother's fate and the enemies her father feared. Her investigation leads her across England—from Cornwall's coast to London's bustling streets—revealing dangerous truths and powerful conspiracies. Perfect for fans of atmospheric historical mysteries, this dazzling tale weaves fortune-telling, intrigue, and audacious twists into an unforgettable saga.