Beloved character Flat Stanley is back with a whole new set of friends in this STEM-focused chapter book series. In the third book, Stanley must calculate the perfect number of treats to bring to Classroom 2E's hundredth day of school celebration. Ever since Stanley...
Beloved character Flat Stanley is back with a whole new set of friends in this STEM-focused chapter book series. In the third book, Stanley must calculate the perfect number of treats to bring to Classroom 2E's hundredth day of school celebration. Ever since Stanley...