The Trolls experience the joys of spring! Based on DreamWorks Animation's Trolls movie and the Netflix series Trolls: The Beat Goes On, Branch keeps hearing a sound that's driving him crazy. Can his friends Poppy and Cloud Guy help him figure out what it is? Boys and girls ages 4 to 6 will love following Branch and his friends in a great new adventure! Step 2 Readers use basic vocabulary and short sentences to tell simple stories for beginning readers who recognize familiar words and can sound out new words with help.