I thought of it as Blue . He makes her worried about doing simple things, like going on the bus and dancing at parties. And then one day she tells someone about him. Then she tells someone else ... and someone else. Because, after all, blue is just one feeling in a rainbow of emotions. Publisher: Faber & Faber Author(s): Sarah Christou Number of pages: 32 Publication date: 2023 Dimensions: 249 x 250 x 12 Cover type: Paperback / softback