In Barbie in Rock 'n Royals, Barbie stars as Princess Courtney, a modern princess whose world is turned upside down when a mix-up sends her to Camp Pop and the famous rockstar, Erika, to Camp Royalty. When the girls learn both camps are at risk of shutting down, they must come together for an epic sing-off that shows anything is possible when you dare to dream big! Children ages 4 to 6 will love this Step 2 Deluxe Step into Reading leveled reader based on Barbie's latest movie, releasing in fall 2015. Step 2 Readers use basic vocabulary and short sentences to tell simple stories. For children who recognize familiar words and can sound out new words with help.