A first-time novelist takes readers on a dazzling adventure that puts friends, family, and foe to the test, as four children go on a secret mission that only the most intelligent and inventive children can complete. Illustrations.

The Mysterious Benedict Society 2017, Little, Brown Books for Young Readers

ISBN-13: 9780316464918

10th Anniversary edition

Hardcover

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The Mysterious Benedict Society 2015, Little, Brown Books for Young Readers

ISBN-13: 9780316265010

Special edition

Hardcover

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The Mysterious Benedict Society 2009, Chicken House Ltd, Somerset

ISBN-13: 9781906427023

Paperback

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The Mysterious Benedict Society 2008, Little, Brown Young Readers, New York, NY

ISBN-13: 9780316003957

Trade paperback

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The Mysterious Benedict Society 2008, Turtleback Books

ISBN-13: 9781417818174

Turtleback School & Library edition

Hardcover

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The Mysterious Benedict Society 2008, Biryongso/ Tsai Fong Books

ISBN-13: 9788949170923

Korean

Hardcover

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The Mysterious Benedict Society 2007, Listening Library, New York, NY

ISBN-13: 9780307284396

Audiobook CD

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The Mysterious Benedict Society 2007, Little, Brown Young Readers, New York, NY

ISBN-13: 9780316057776

Hardcover

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