- ISBN: 9781481400114
- ISBN: 1481400118
- Physical Description: 1 online resource (121 pages)
- Publisher: New York : Aladdin, 2014.
|Summary, etc.:|| When a two-hundred-pound sea turtle goes missing from the Bayport Aquarium, Frank and Joe Hardy investigate, discovering a network of underground tunnels hidden beneath Bayport that is aiding a sinister smuggling ring.
|Source of Description Note:|| Print version record.
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