Book excerpt: Edited by Morag Styles and written by an international team of acknowledged experts, this series provides jargon-free, critical discussion and a comprehensive guide to literary and popular texts for children. Each book introduces the reader to a major genre of children's literature, covering the key authors, major works and contexts in which those texts are published, read and studied. This book provides an illuminating guide to literature that creates alternative worlds for young readers. Focusing on the work of Ursula Le Guin, Terry Pratchett and Philip Pullman, the book considers both the genre of ?alternative worlds? and the distinctiveness of these authors? texts, including Philip Pullman's The Amber Spyglass.