Explore the secrets of the Bamboo Kingdom in the fourth installment of this thrilling new series from bestselling Warriors author Erin Hunter, perfect for fans of Wings of Fire and Endling. The Bamboo Kingdom is once again safely led by guidance of a real Dragon Speaker--three Dragon Speakers, in fact! But a troubling vision from the Great Dragon warns of a "Dark Sun" coming soon. And while Rain, Leaf, and Ghost argue amongst themselves about what it means, the monkeys are hatching a plan to use this moment of uncertainty to their best advantage... Unless the pandas learn to trust each other, their biggest challenges may still lurk on the horizon...