Introducing the second Polly and Buster book, a spellbinding new series about the magic of friendship from best-selling children's author Sally Rippin. What would you do if everyone thought your best friend was dangerous? Polly the witch and Buster the monster shouldn't be friends. And they definitely shouldn't be on the run from almost everyone in town. But when Polly is called to the Hollow Valley Mines - the forbidden, haunted mines - by her magic stones, these two best friends have a big decision to make. Do they stay hidden and safe, or risk it all to save the day? | The Mystery Of The Magic Stones by Sally Rippin, Paperback | Indigo Chapters