The Last Battle is the seventh and final book in C.S. Lewis’s The Chronicles of Narnia, published in 1956, which concludes the series with an apocalyptic ending for the magical world. The plot involves a deceptive ape, Shift, and a donkey, Puzzle, who impersonates Aslan, leading to the corruption of Narnia and a final, desperate battle against evil forces, culminating in the end of Narnia as it is known and its transition to a new, true Narnia. The novel won the Carnegie Medal and explores themes of faith, loyalty, and the ultimate triumph of good over evil.