Holidays in Mani! Escape to the beauties of summer and the blue of the sea!

But also mystery and adventure in a pirate hideout... Will Galatea and Janis, along with their parents and Petrouni, discover the legendary treasure?

Faced with a major dilemma, will they make the right choice? Will they manage to escape the danger that appears from the mountain?

And what will be the unexpected turn of events that will overturn everything they believed and reveal new facts?

Do you want to find out? All you have to do is follow the heroes of the book to Mani and the Pirate Cave. And you will surely find the answers you seek! But... also the real treasure!