According to The Hollywood Reporter, Walt Disney Pictures and Walden Media are moving ahead with a sequel to the wildly successful The Chronicles of Narnia: The Lion, the Witch & the Wardrobe.

Andrew Adamson is set to return to the director's chair, having just inked a deal to helm The Chronicles of Narnia: Prince Caspian. Adamson also will serve as a producer and co-writer, collaborating with returning scribes Christopher Markus and Steve McFeeley.

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The principal cast is coming back, as is producer Mark Johnson. A screenplay is not yet written, but production is scheduled to begin this year with an eye toward a Christmas 2007 release. Caspian finds the four Pevensie siblings pulled back into the land of Narnia, where 1,000 years have passed since they left. The children are again enlisted to join the colorful creatures of Narnia, who have been driven into the wild, unfriendly parts of the land. The Pevensies must struggle to overthrow a usurping king named Miraz and restore the rightful heir to the throne, the young Prince Caspian.