The Invincible Island is a poem written by Percival Stockdale in 1797, with an introduction that discusses the ongoing war at the time. The poem itself is an allegorical tale that tells the story of an island that is impervious to attack and invasion. The island is ruled by a wise and just queen, who is able to maintain peace and prosperity for her people. However, the island is eventually threatened by an invading army, and the queen must rally her...