This Step 2 Step into Reading leveled reader with more than 30 stickers is based on Disney Frozen 2 --which is currently streaming on Disney+! Directed by Chris Buck and Jennifer Lee and produced by Peter Del Vecho Walt Disney Animation Studios feature-length follow-up to 2013 s Oscar(R)-winning film Frozen is currently streaming on Disney+. Kristen Bell Josh Gad Idina Menzel and Jonathan Groff are reprising their roles in an all-new story. Girls and boys ages 4 to 6 will love this Step 2 Step into Reading leveled reader based on Disney Frozen 2 --with more than 30 stickers! 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.