The Hardest Thing to Keep

This book is part of the Between Worlds series but can be read as a standalone.>The entire human race is wiped out to just a few hundred survivors... will civilization be saved or doomed? In the wake of a devastating plague, humanity's fate hangs in the balance, manipulated by a ruthless faction hungry for power. Having been caught right in the middle of the crossfire, Ruby's life is upheaved by sheer chaos, leading her to flee for life. But she abandons her most precious thing in a desperate escape, and as the weight of loss settles upon her, she realizes that parting with it might be harder than she thought. With her new ally, Parker, who's also battling his own dark past, they embark on a quest to retrieve Ruby's gem. Yet, they might also just kindle something they have no idea they, and the whole novel society, needed. How much are they willing to sacrifice in their pursuit of this coveted holy grail?>A word from Goodreads reviewers: "Riveting." "Unputdownable." "Utterly engrossed in this story, I read the entire book in one day!" "The pages turned themselves."