Nightfall (6) (Keeper of the Lost Cities) by Shannon Messenger

Nightfall is the sixth installment in the Keeper of the Lost Cities series by Shannon Messenger. In this book, Sophie Foster and her friends face new dangers as the stakes get higher. With the battle against the Neverseen intensifying, Sophie must navigate treacherous situations, unravel deep-seated secrets, and confront her most challenging fears. The book delves into darker themes and explores the complexities of friendship and bravery.