Neverseen (4) (Keeper of the Lost Cities) by Shannon Messenger

Neverseen is the fourth book in the Keeper of the Lost Cities series by Shannon Messenger. In this installment, Sophie Foster and her friends face the escalating threat of the mysterious and dangerous group known as the Neverseen. As they confront new obstacles and uncover dark secrets, Sophie grapples with her own growing powers and the complexities of her relationships. The story is filled with action, intrigue, and emotional depth.