The follow-up to the hugely popular Nickolai of the North.

At the stroke of midnight, a miracle must happen at the North Pole! Nickolai has made his home in the Elfin Kingdom, safe at last from the wicked Magda. Now, he must keep his Winter Solstice promise: to bring gifts to all the world’s children in one night. It seems an impossible mission. Forced into the dark and forbidden NetherWorld, in the Cave of the Crystal Chronicle, Nickolai must confront his deepest fears!