A young girl with a gift to walk through dreams falls into a world of mystery and fantasy, a world unlike anything she's ever seen before. There, she meets Jynx, the last of the Tengu, who seeks his freedom from the mysterious Multiverse Monarch, who wiped his people out and took his universe hostage. Trapped in a world she doesn't understand, Will Ruby be able to escape and unravel the mystery of her past to break free from the library in time and save everyone? And can she stop Jynxs schemes to upend the universes hierarchy of power?