Hattie Harmony: Opening Night (Signed by: Elizabeth Olsen and Robbie Arnett) (Autographed Hardcover Bookplated Edition). This Hardcover Edition of Elizabeth Olsen and Robbie Arnetts Hattie Harmony: Opening Night is autographed on a bookplate by Elizabeth Olsen and Robbie Arnett. In this sequel to the #1 New York Times bestselling Hattie Harmony: Worry Detective by Elizabeth Olsen and Robbie Arnett, Hattie shares new tools for managing anxiety, just in time for opening night of the school play. Its opening night of the school play and there are plenty of nerves to go around! There are lines to be memorized, costumes to sew, and sets to paint. Its a good thing Hattie Harmony is ready to help her friends soothe their worries with everything in her trusted tool belt. Will Hattie be able to settle the pre show jitters before the curtain call? In this dazzling sequel to the #1 New York Times bestselling Hattie Harmony: Worry Detective, critically acclaimed actress Elizabeth Olsen and esteemed musician and writer Robbie Arnett have crafted another relatable tale to introduce the youngest reader to the importance of self care. Also, be sure to add the signed edition of the first Hattie Harmony: Worry Detective while supplies last!