The Chronicles of Narnia: The Lion, the Witch and the Wardrobe make a faithful adaptation of the novel set in Britain. ""Harry Potter" came along, and all those cultural or geographical lines were broken," Mark Johnson explained. "When "The Lion, The Witch and the Wardrobe" was being developed at Paramount, the imperative was to set it in the U.S., and it just doesn't hold. [...] It's not the book." Guillermo del Toro turned down the offer to direct due to his commitment on "Pan's Labyrinth". Following an Academy Award win for "Shrek", director Andrew Adamson began adapting the source material with a 20-page treatment based on his memories of the book.
The Chronicles of Narnia: The Lion, the Witch and the Wardrobe (soundtrack) written, recorded, produced and mixed in a week; Heap said she needed "like a year more than I got" and considered the experience of handing in the song an hour after completing it "[p]retty scary". According to her, the creation of the song was difficult because "The Chronicles of Narnia" is a family film, so she "had to be quite descriptive and not too electronic" when making the song. The soundtrack includes the song "Wunderkind", which Alanis Morissette wrote and recorded in three days; it was produced by Mike Elizondo. According to her, after watching a rough cut of the