Sandra Alonso was born in Zamora in 1993. A teacher by vocation who, after studying several courses on children's literature, was won over by the magic of stories. In 2015, she created the 'Mis cuentos infantiles' (My children's stories) social media profiles where she suggests books from different parts of the world to teachers, families and, ultimately, any lover of children's literature. At the end of 2018, she took the leap and became an author, discovering her true passion at this precise moment: writing. Cristina Losantos Sistach was born in Barcelona and graduated in Fine Arts at the UB. An arts teacher between 1980 and 1984, she later devoted herself to illustration and worked for the most important publishing houses in the country. She won the second National Illustration Prize with the book El flautista d'Hameln, from the ""Populars"" collection by La Galera (1998). She is a regular contributor to Cavall Fort magazine and Avui newspaper.