Travelers' Club of Fantasy. Book 12

In Kilmore Bay, the longest day begins. While the rain covers everything around with a dense gray shroud, the tranquility in the harbor is disturbed by thunder and sudden flashes of fire. But this is neither a storm nor lightning - it is the continuous cannon fire of the eight guns of the "Mary Grey," the legendary ship of Captain Spencer.
A pirate is settling scores with the twins Jason and Julia Covenant. The kids had to face the most terrible enemy without the help of Ulysses Moore, who has still not been able to defeat him…