It's a new school year with the same old problems: the school is going to run out of money! A local engineering competition might just keep them funded for another year. Can Millie and her friends Pearl and Halinka invent a way out of the mess? With some guidance from their eccentric headmistress Miss Bunsen, anything seems possible. | If The Hat Fits by Erica-Jane Waters, Hardcover | Indigo Chapters