ISBN-13: 9781544641676 / Angielski / Miękka / 2017 / 40 str.
ISBN-13: 9781544641676 / Angielski / Miękka / 2017 / 40 str.
Just before school starts again and vacation ends Stela is concerned about sleep. So, she falls asleep so deeply that her friends can't seem to wake her up.