Anna Llenas

Anna Llenas is an internationally bestselling author and illustrator from Barcelona, best known for creating The Colour Monster, which has sold millions of copies worldwide. Through her distinctive visual style, she transforms complex emotions into simple, powerful stories that help children understand and express their inner world.


With a background in graphic design and art therapy, Anna's work bridges creativity and emotional awareness. Her books have been translated into numerous languages and are used worldwide in homes, schools and therapeutic settings.