This Saint George's Day, the writer of infantile literature Montse Subirana will read to the children an extract of her new book, Bernat de Besalú i l'enigma del tresor , in a room full of coins that they have an outstanding paper in this history. An educator of the museum will explain to the children how are the coins that the Museu Nacional preserves and, while they are listening to the storyteller, they will be able to paint some sheets of paper with the illustrations of the book. 

The story is the last title of the collection Contes of comptes, formed by six titles set in one of the first Condal houses that today form part of Catalonia, with a fiction plot led by a character who existed in the neighbourhood around the year 1000. 

In this new adventure, Bernat de Besalú travels to Rome with the intention of doing a few ambitious agreements. He wants to get bigger and to enrich his counties in order to become the strongest and powerful county, even though he has to pay a very high price. Will he get it?