The bestselling original book with jaw-dropping pop-up pages, featuring the beloved Colour Monster from hugely talented author-illustrator, Anna Llenas. One day, the Colour Monster wakes up feeling confused. His emotions are all mixed up - he feels angry, happy, calm, sad and scared all at once! But with the help of a kind little girl, Nuna, they use different colours to explore and talk about emotions.

With Nuna's help, the Colour Monster finds a way through those difficult feelings. Will you join them for the adventure?This hugely successful book is treasured in households worldwide for its accessible, gentle and fun approach to talking about feelings.