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Summary

A year after their underground adventure, Hugo, Alex and Julie are ready for another – this time underwater.  
At a scuba-diving camp in Croatia, the three friends search for a legendary Roman shipwreck and an emperor’s lost crown. 
Standing in their way is a ruthless businessman, his terrifying bodyguard and Hugo’s fear of swimming in the unpredictable sea. But sometimes the greatest rewards lie just outside your comfort zone …

Duration: about 6 hours (05:52:45)
Publishing date: 2026-01-08; Unabridged; Copyright Year: 2025. Copyright Statment: —

• Young Readers