Discover the exciting world of business and math with ‘The Toothpaste Millionaire’ by Jean Merrill, winner of the Dorothy Canfield Fisher Children’s Book Award. Follow sixth-grader Rufus Mayflower as he aims to make a gallon of toothpaste for the price of one tube, tackling real-life math problems along the way. With his friend Kate, can they meet the overwhelming demand for their ingenious creation? This beloved children’s book from The Bookish Owl is a thrilling tale of perseverance, ingenuity, and entrepreneurship, perfect for young readers aged 10-12. Explore the basics of costs and profits in this captivating story about unlikely millionaires.