Cavern of the Fear (Deltora Shadowlands Series) Unabridged edition

To rescue thousands of Deltorans enslaved in the Shadowlands, Lief, Barda and Jasmine - heroes of the quest for the Belt of Deltora - must find a weapon powerful enough to combat the Shadow Lord's magic on his own ground. According to legend, the only thing the Shadow Lord fears is the fabled Pirran Pipe. But does the mysterious Pipe still exist? And if it does, what dangers will the companions have to face to find it?