In the third book in the middle grade series that Newbery Honor-winning author Rita Williams-Garcia raved is "brimming with hilarity and sisterly hijinks," Marigold, Zinnia, and Lily Silver return to Cape Cod for a final, unforgettable summer. The Silver Sisters are heading to Pruet again to visit Aunt Sunny and all the friends they've made in Cape Cod the past two years. Before they head East, the girls make a promise they...