The first book in the beloved Lemonade War series--a clever blend of humor, math wizardry, and business know-how--is now available in a full-color graphic novel. Evan Treski is people smart. He's good at talking to people, even grown-ups. His younger sister, Jessie, on the other hand, is math smart--but not especially good at understanding people. She knows that feelings are her weakest subject. With just five...