Shadows at Predator Reef

By Franklin W. Dixon

Subjects: series:HardyBoys, Brothers, Juvenile fiction, Children's fiction, Crime, fiction, Public aquariums, Smuggling, Mystery and detective stories, collectionID:HBadv

Description: 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.