ISBN-13: 9780974017372 / Angielski / Miękka / 2011 / 42 str.
Why does Baby Sister wake up from her nap? Could it have something to do with her ten big brothers? Mother thinks all the noise ten happy little boys make as they play in the house will keep Baby Sister from sleeping peacefully, so she sends them each out on an errand. This colorful picture book counts down from 10 to 0 and back again as Mother finds out why Baby Sister really wakes up from her nap