At least one Route 66 adult coloring has hit the market, and more probably will to take advantage of the craze. But they will be hard-pressed to surpass Jo Ann Kargus' newly published "Route 66 Splendor: An Adult Coloring Book." According to a report earlier by CNN and other media outlets, therapists and researchers have … Continue reading Book review: “Route 66 Splendor: An Adult Coloring Book”