oh gosh! i've just seen on the publisher's website that there's yet another children's novel by kai meyer called frostfeuer and it's a snow queen story!!! the publisher's description says:

From the beginning of time the Snow Queen has ruled over the white desert at the edge of the world. Her realm is cold and her heart made of ice. But then the young magician Tamsin Spellwell succeeds in doing what no-one else has dared to do before - she steals an icicle from the ice heart of the Snow Queen, in order to destroy the tyrant's power. In St Petersburg, in the iciest winter ever known, the two encounter one another again. They engage in a fantastic magic duel - yet in the end it is not magic that determines the winner, but the courage of Tamsin's young friend...

In his new major novel Frost Fire, best-selling author Kai Meyer skilfully weaves fairy-tale elements into an imaginary 19th-century St Petersburg, creating a new world with a magic of its own.