Neverseen

In 'Neverseen', the fourth book of the 'Keeper of the Lost Cities' series by Shannon Messenger, Sophie Foster and her friends defect from the Lost Cities to join the Black Swan, the secretive organization that created Sophie. They seek to uncover the truth about Sophie's past and to stop the nefarious group known as the Neverseen. The team undergoes rigorous training, develops new abilities, and forges alliances with unexpected characters. Their journey takes them to exotic locations, including the hidden city of Lumenaria, where they face betrayals, capture, and confrontations with the Neverseen. Throughout the book, Sophie grapples with her identity, her growing powers, and the complexities of her relationships with her friends and family. The story culminates in a dramatic battle that sets the stage for future adventures, leaving readers eager for the next installment in the series.