Drake and the other Dragon Masters must help save a nest of baby Invisible Dragons in the latest action-packed installment of this New York Times bestselling series! A nest of baby Invisible Dragons has been discovered in Aragon and the babies' parents are nowhere to be found! The baby dragons need to eat the fruit from the magical Dragon Tree to keep their invisible powers. But the tree grows on the dangerous Dove Island… Drake, Worm, and Carlos' cousin Val must travel there to find the baby dragons’ parents and the fruit before the baby dragons lose their powers forever! Also, one of the baby dragons forms a close bond with Val. Could Val be a Dragon Master?