El secreto de Isla Negra / The Secret of Black Island

A pair of brave children are the protagonists of the two short chapter books found in this volume. In the first one, a girl named Sara never loses hope of finding her brother Uriel, who went missing around Black Island, alive and well. In the second, a girl named Blanca is determined to get rid of the strange dark fog that has put all the residents of the island under a spell.