


ISBN-13: 9781447262930
Mass-market paperback

ISBN-13: 9780739356258
Audiobook CD

ISBN-13: 9781417783700
Turtleback School & Library editionHardcover

ISBN-13: 9780425193808
Berkley editionMass-market paperback

ISBN-13: 9780330398145
2nd Revised editionTrade paperback

ISBN-13: 9780525469285
Hardcover

ISBN-13: 9780807278086
Library edition AbridgedAudiobook cassette

ISBN-13: 9780330350648
New editionMass-market paperback

ISBN-13: 9780330260510
New editionMass-market paperback

ISBN-13: 9780881031751
Turtleback School & Library editionHardcover