Cléo now knows that she is half human, half fantastic: she is a magical being known as "cuca". With the help of Tom, the curupira, and Pingo, the mapinguari, she is learning to use her powers in an increasingly controlled way, but someone unexpected appears in Cléo's life and asks the little cuca for help in saving the porpoises that live in the forest rivers. Her friends worry: can mermaids really be reliable? Read it and discover the powers of Brazil's cutest little cuca in this new adventure, "Cléo and the mermaids"!YOU'D LIKE TO KNOW THAT... The story takes on characters from Brazilian folklore in an illustrated story full of adventure and humor, which dialogues with contemporary children and reveals feelings and conflicts that are part of the growth and development of children and young people. There is a worldwide movement in children's literature to revive and give new meaning to characters from local folklore and culture, to stimulate the necessary cultural appropriation by children and young people. This book is part of this movement in Brazil.IT IS IMPORTANT TO NOTE THAT... This book is friendly to readers with dyslexia, as the font used is OpenDyslexic, making reading more enjoyable for everyone.WHY READ IT? This is an illustrated book that promotes the discovery of oneself and others, social interaction, respect for nature, and attitudes of cooperation and solidarity, as well as valuing Brazilian folklore.THEMES: picture book, Brazilian folklore, saci-pererê, mermaids, Brazilian legends, environment.