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Coming April, 2011!	Publisher: Houghton Mifflin Books for Children (April 4, 2011) ISBN-10: 9780547390185 ISBN-13: 978-0547390185 Hardcover: 400 pages, Black & white illustrations

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	Publisher: Sandpiper (April 4, 2011) ISBN-10: 9780547550114 ISBN-13: 978-0547550114 Paperback: 384 pages, Black & white illustrations

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Publisher: Houghton Mifflin Books  (April 12, 2010)

ISBN-10: 054722592X

ISBN-13: 9780547225920

Hardcover: 375 pages, Black & white illustrations

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	Publisher: Sandpiper (September 7, 2009) ISBN-10: 0547248199 ISBN-13: 978-0547248196 Paperback: 400 pages, Black & white illustrations

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	Publisher: Houghton Mifflin Books for Children (November 10, 2008) ISBN-10: 0618927646 ISBN-13: 978-0618927647 Hardcover: 400 pages, Black & white illustrations

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	Publisher: Sandpiper (May 5, 2007) ISBN-10: 0618999760 ISBN-13/EAN: 978-0618999767 Paperback: 352 pages, Black & white illustrations

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	Publisher: Houghton Mifflin Books for Children (April 9, 2007) ISBN-10: 0618756388 ISBN-13/EAN: 9780618756384 Hardcover: 368 pages, Black & white illustrations

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