The Lion, the Witch and the Wardrobe By C S Lewis

Four adventurous siblings--Peter, Susan, Edmund, and Lucy Pevensie--step through a wardrobe door and into the land of Narnia, a land frozen in eternal winter and enslaved by the power of the White Witch. But when almost all hope is lost, the return of the Great Lion, Aslan, signals a great change . . . and a great sacrifice.

The Lion, the Witch and the Wardrobe is the second book in C. S. Lewis's classic fantasy series, which has been drawing readers of all ages into a magical land with unforgettable characters for over sixty years