"Ethan and Emily Tuttle start a lemonade stand just to lose it to a bad law. But when Grandma Gabby moves in with the family, she takes the twins on her wheelchair time machine to France and the Old West. They learn what makes a good and bad law. But will the twins be able to reclaim their lemonade stand in time? This adventure is influences by the famous economist Frédéric Bastiat and his groundbreaking book, The Law." --