An adult coloring book in postcard form, with pictures by Cicely Mary Barker. Barker is known for the Flower Fairies series, and this book collects summer flowers and their fairies. It is part of the Otona no Nurie Postcard Book series from Kawade Shobo Shinsha.
There are 32 postcards in all: 16 to color, and 16 printed in color from Barker's original paintings.