Sharp, Margery

Miss Bianca, a white mouse of great beauty and self-confidence, travels with the ambassador's son to Norway on behalf of the Prisoner's Aid Society in a perilous mission to rescue a poet imprisoned in the dreadful Black Castle.

Three enterprising mice undertake a mission for the Prisoners' Aid Society: the rescuing of a poet from the most terrible prison they have ever seen.

Bernard, secretary of the Mouse Prisoner's Aid Society, and his teddy bear ally Algernon attempt to rescue an orphan heiress who has been kidnapped by her guardian.