Lucy Usthorn of Fort Worth, Texas, is super excited for her class trip to the Natural History Museum. Sure, Ms. Brock, the strict school librarian who happens to be dating Lucy's dad (awkward) is chaperoning. But it'll still be the best day, right? Wrong! Lucy watches in shock and humiliation as her dad proposes to Ms. Brock. Lucy is distraught. If only she could do this day over from scratch... Enter the magic bracelet. It arrives in the mail, with...

Tonight is the Big Night sleepover at Dunwiddle Magic School, when all the fifth graders stay overnight at school and participate in the scavenger hunt, except Nory's friend Elliott is attending a concert at rival Sage Academy where he plans to attend after the winter break--but if Nory can convince her fellow upside-down magic friends to take the hunt seriously, cooperate, and win, than maybe she can convince Elliott to stay at Dunwiddle.