Something strange is happening at the Big Air Games. The top extreme sports athletes are getting ready to compete, when the ATAC receives a signal about a big attack! Frank and Joe spring into action - who better to stop the attack than The Hardy Boys?

Extreme Danger 2005, Aladdin Paperbacks

ISBN-13: 9781416900023

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Extreme Danger 2005, Perfection Learning

ISBN-13: 9780756976033

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Extreme Danger 2005, Simon & Schuster Children's, New York

ISBN-13: 9781416904229

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Extreme Danger 2005, Aladdin Paperbacks

ISBN-13: 9781415603796

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