"The fourth adventure through the Mirror leads to the Far East, where Jacob and Fox finally track down Will, who is travelling with rival hunter Nerron. In spite of his misgivings, Jacob agrees to go with them to the Island of the Foxes, in quest of another magical Mirror. But their search quickly leads them into more peril, and as Jacob seeks security for himself and Fox, he is reminded of a disturbing promise he once made that now threatens everything"-
