Lost Empire of Koomba (The Secrets of Droon #35)

The secret is out -- DROON is the series that kids, parents, and teachers are talking about! There are now over 10 million DROON books in print. Keeah, Julie, and Neal are determined to find a cure for the poison that transformed Eric into the evil Prince Ungast. Their quest takes them to a lost empire deep in the desert, where the mischievous Sand Children are hiding a magical elixir that may hold the secret to Eric's recovery. But the journey is filled with danger, for Gethwing is determined to stop them. And the Moon Dragon has a powerful new henchman at his disposal: Lord Sparr. . .