Count Karlstein, or the Ride of the Demon Huntsman is the first children's novel written by British author Philip Pullman.

The novel is set in the fictional Swiss village of Karlstein in 1816. The evil Count Karlstein made a deal with Zamiel, the Demon Huntsman, in order to obtain his current wealth. The condition of the deal was that in ten years' time the huntsman will be presented with a human sacrifice on All Souls' Eve. The count has decided to offer his two young nieces, Lucy and Charlotte.