¡Arriba, dormilona! (Tapa dura)

¡Un cuento para despertarte con alegría!;Mercedes doesn't like to get up early. She wakes up grumpy and doesn't say a peep to anyone. She may looks like she is angry, but she is just a cranky morning person that wakes up on the wrong side of the bed every day. Until her best friend Matilda spends a few days with her. How will Mercedes handle the situation? And Matilda?