Ages 4 to 8 years. Ages 4 to 8 years. Kenny climbed trees as soon as he could walk, and a few years later, with the help of his little sister Allison, builds a tree house where the two of them rule as king and queen. But their reign promises to be a short one. Located in New Orleans, Kenny and Allison's tree house stands directly in the path of Hurricane Betsy! This touching tale about the devastation from severe weather events is sure to warm your heart. Learn with Kenny and Allison that even the worst storm can end with a rainbow.