Escape Velocity - Walden, Mark

Pupils and staff at H.I.V.E.--the Higher Institute of Villainous Education--are horrified to discover that Dr. Nero has been captured by the forces of H.O.P.E., the Hostile Operative Prosecution Executive, the world's newest and most ruthlessly efficient security force.

Escape Velocity 2012, Simon & Schuster Books for Young Readers

ISBN-13: 9781442413672

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Escape Velocity 2011, Simon & Schuster Books for Young Readers, New York, NY

ISBN-13: 9781442421851

Hardcover

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Escape Velocity 2011, Bloomsbury UK, London

ISBN-13: 9781408815922

Revised edition

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Escape Velocity 2008, Bloomsbury Publishing PLC, London

ISBN-13: 9780747594857

Paperback

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