By Julie Glass. Penny is a budding entrepreneur who starts her own lemonade stand. As Penny earns her way to an entire dollar, readers learn about various coin values and basic mathematical concepts. A Dollar for Penny is written in rhyme and features impressive watercolor illustrations as well. On a beautiful summer day a young girl sets up a lemonade stand and sells enough cups of refreshment to add up to a dollar.  Told in rhyme, this delightful story combines the teaching of addition with a traditional rite of childhood entrepreneurship! Reading level: Ages 6 and up. Perfection Learning (2000), English, Paperback: 32 pages.