¡Hola! ¡Gracias! ¡Adiós!
Elisenda RocaEditorial: Editorial BambúISBN: 9788483432679
Sinopsis
Nora and Martin are two friends with the same problem: it's hard for them to greet and communicate with others. They don't seem very willing to change, until one day when they realise that, by not greeting anyone, they're starting to become invisible!
