Erin Hunter s bestselling Bravelands series continues with a brand-new arc! A gorilla with a deadly secret. A leopard struck by tragedy. A gazelle cast out of her herd. For generations, the Silverback gorilla troop has lived in peaceful seclusion high above the Great Herd, adhering to one rule: blood pools on the plains. But when a new and terrifying evil descends on their home, every animal must venture into the unknown to prevent darkness from overtaking all they hold dear.