Serious collectors know that they can’t pass up a really good coloring book. Beautiful work by Mihoko Kurihara. Harmony of Nature: Unwind. Create. Color. Paperback – October 20, 2015 by Mihoko Kurihara (Author) Adult coloring book fans will delight in these beautifully drawn and inviting idyllic settings. Created by illustrator and paper-cutting artist Mihoko “garden” Kurihara,…