Xanth Series / Roc and a hard Place / Piers Anthony

Seeking a solution to a perplexing personal problem, the delectable Demoness Metria asks for help from the wise Magician Humfrey. But before he will help her, she must perform a perilous mission: Rove the length and breadth of Xanth in search of a suitable jury for the trial of Roxanne Roc–a notably noble and virtuous bird charged with a most improbable offense.