<p>1189. York England. Hanna eleven years old wants two things: a spell for invisibility and the safe return of her brother and father.</p><p>Then Richard I sets the country ablaze with talk of the infidel and waging a holy war in Palestine...</p><p>It's a story about a Jewish girl a Christian boy a book of ancient Babylonian magic - and the disaster that unfolds when forces</p><p>beyond their control are unleashed.</p><p>Hanna is caught up in real events from a medieval past which resonate powerfully with our 21st-century present.</p>