Böcker av Juan Sainz de Rozas González

Tras los eventos vividos en La Sinfonía del Mar, Astaroth y Calíope tratan de seguir con sus vidas en Cala de Ballena, pero una extraña melodía surgida de la lluvia llama a Calíope para que vuelvan a encontrarse con el Brujo Malsoprano y descubran la historia de su mundo. Navegando hasta la Isla de las Musas, Astaroth y Calíope hallan una terrible profecía que vaticina su futuro enfrentamiento a muerte...

The Sea Symphony is set in a world completely far away from our own: a land where everything is sea except for a small fishing island called Whale Cove, where Astaroth and Calliope reside. Every year, in the village cove, a Crystal Palace emerges from the waters and chooses an islander to "take him to the afterlife". This is an act of celebration in honor of the event, but something goes wrong the same night the Palace emerges, it breaks into pieces and, in the water, a black, viscous substance covers everything. Encouraged to save his people, Astaroth sets course for the open sea together with Calliope to follow the trail of this strange enemy, along with a little black cat named Vela...