b"In this stunning ninth book in the Keeper of the Lost Cities series,Sophie and her friends discover the true meaning of power\\u2014and evil. Sophie Foster changed the game. Now she\\u2019s facing impossible choices:when to act, when to trust, and when to let go. Her friends are divided and scattered, and the Black Swan wants Sophie to focus on their projects. But her instincts are leading her somewhere else. Stellarlune\\u2014and the mysterious Elysian\\u2014might be the key to everything. But finding truth in the Lost Cities always requires sacrifice. And as the Neverseen\\u2019s plans sharpen into terrifying focus, it appears that everyone has miscalculated. The Lost Cities\\u2019 greatest lie could destroy everything. And in the battle that follows, only one thing is certain: nothing will ever be the same. The world and characters that Shannon creates immediately suck you in--but everything is still grounded in a relatable story. The stories feature a strong female protagonist as well as several great male characters/friends, and they're full of action, humor, and fantastical elements, which will appeal to all readers. Millions of readers have made Keeper of the Lost Cities a worldwide phenomenon, and the series continues to grow with each new book."