A Missing Staircase. An Enchanted Caravan. The secret to Droon's future lies in its past. Trapped! The Rainbow Stairs have vanished. Eric, Neal, and Julie are stranded in Droon. And Young Sparr and Gethwing have escaped to the Upper World! Now it's up to Eric and his friends to bring the stairs back-fast. Even if it means taking a journey through time, across the sands of Droon's dark, dangerous past. A magical voyage awaits the kids, full of big adventure and even bigger secrets. And this time, there's more at stake than ever-not just in Droon, but in the Upper World, too....Abbott, Tony is the author of 'Voyagers Of The Silver Sand ', published 2005 under ISBN 9780439671774 and ISBN 0439671779.