Yon Ill Wind

A storm named Happy Bottom is wreaking havoc on both the ordinary world of Mundania and the magical land of Xanth. Gusting out of that chaos, a Yon Ill Wind hurls the Baldwin family, a Mundane clan, into Xanth. Meanwhile, the demon X(A/N)th has struck a bargain with the demon JU(P/I)ter: if he can coax a single Xanthian into weeping, he wins the wager.

The demons complicate the task by transforming X(A/N)th into a dragon's rear end, a creature that may speak only once, to explain the quest to a Xanthian. Taking the name Nimby, the demon meets Chlorine and grants her beauty and talent. Joining forces with the Baldwins, the two must drive Happy Bottom out of Xanth.