Amazon.com description: Product Description: Inspired by Milton's "Paradise Lost" and now a major motion picture, Philip Pullman's "His Dark Materials" trilogy has captured the imagination of children, adults and the critics alike. Now you can understand the symbols of the alethiometer, revisit the stories and chart the history of Lyra's world in this invaluable companion to the unforgettable novels. With an enlightening biography of Philip Pullman, outlines and analyses of the novels, audio books, stage play and forthcoming movie, a dictionary of key words from Armoured Bear to Zombi, and a history of Lyra's world, this volume gives crucial further information to all admirers of the timeless books.