Book excerpt: From #1 New York Times bestsellers Matthew and Mara Van Fleet comes a charming novelty book filled with mermaids, mermen, and charming underwater animals young readers can dance along with! Follow along with the merkids as their sea creature friends form a dance party and teach them the narwhal nod, the silly seal spin, polar bear twist, and more! Little ones can use the six sturdy pull tabs to make the characters move as they dance their way to the grand pop-up finale.