Evan and his younger sister, Jessie, react very differently to the news that they will be in the same class for fourth grade and as the end of summer approaches, they battle it out through lemonade stands, each trying to be the first to earn one hundred dollars.

Una interesante historia sobre dos hermanos con habilidades totalmente diferentes y la forma de enfrentar la noticia de que compartirán clase en el siguiente ciclo escolar. Esto da origen a una guerra en la venta de limonada. Libro #1