The Magic of Oz Chapter 18 - The Magic of the Wizard

In which a determined little Wizard tries many magical means to free Trot and Cap'n Bill from the enchantment of the Magic Isle, though his powers seem fallibly limited against the mysterious spell. With the brave help of Dorothy and the Cowardly Lion, he makes a careful crossing to the island, where the prisoners’ plight grows more desperate and their spirits unbowed despite shrinking away.