Description Science is a blast, when you work together with Grandma! Follow the volcano fun in this silly Step 2 early reader story from the New York Times bestselling creators of How to Babysit a Grandpa. Once you've learned how to make a volacano at home, it's time to teach Grandma what to do! But what happens when you don't remember the right ingredients? Work together with Grandma to create the best at-home volacno ever, with a few tips and tricks from the experts -- kids! This Step into Reading story features a sweet Grandma and grandchild relationship and all the silly, sticky moments that come with creating an at-home experiment. Perfect for children who are ready to read on their own! Step 2 readers use basic vocabulary and short sentences to tell simple stories. They are perfect for children who recognize familiar words and can sound out new words with help.