Drake and the other three Dragon Masters — Ana, Rori, and Bo — continue their training in the second book in this fully-illustrated series. But Ana’s dragon, Kepri, falls ill. Despite the wizard’s efforts and potions, nothing seems to help. Now, Drake’s dragon, Worm, must harness his special powers to take the Dragon Masters on a global quest to find a cure. What caused Kepri’s sickness? Will the Dragon Masters succeed in saving her? And what perils await them on their journey?