In the second book in the Dragon Kingdom of Wrenly graphic novel series, Ruskin, Cinder, and Groth are back for another exciting quest, this time to save a group of cursed shadow dragons! A royal errand brings Ruskin, Cinder, and Groth to Shadow Hills, home to the most mysterious creatures in all of Wrenly-the shadow dragons. Legend says that shadow dragons are hostile to outsiders and cannot be trusted. But that's not how it seems to Ruskin and his friends. In fact, nothing is quite as it seems ...