In BarbieTM in Princess Power, Barbie stars as a modern-day princess who discovers she has special powers! Will she be able to rid the kingdom of its enemy with the help of her best friends? Girls 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.