Penguins love to sleep! Say goodnight and sing along in this sweet, penguin-themed board book featuring a twist on the classic nursery rhyme "Rock-a-Bye Baby"! Rock-a-bye penguin, safe with your flock.When the wind blows, your cradle will rock. If the nest breaks, and you start to slide, Daddy will catch you.He's right by your side. It's time for bed, but when Little Penguin's nest is rocked by wind, Daddy comes to the rescue! Baby can fall asleep soundly knowing that Daddy will always be near. Little ones will love this dreamy twist on the popular nursery rhyme "Rock-a-Bye Baby"!