Cliff Nielsen Book order (chronological)

When Digory and Polly try to return the wicked witch Jadis to her own world, the magic gets mixed up and they all land in Narnia where they witness Aslan blessing the animals with human speech.

Narnia a land frozen in eternal Winter. Four adventurers step through a wardrobe door and into the land of narnia - a land enslaved by the power of the White Witch.