Age range 6 to 9

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.

'Empowering to see schoolgirls master STEAM.' — Kirkus Reviews

'Lighthearted writing and whimsical illustrations create a nurturing environment where the girls are free to experiment and express themselves in a variety of media and disciplines.' — Foreword Reviews