A library designed by a huge bookshelf with a curved line like the flow of a river, named "BOOK RIVER". The bookshelf changes various heights, becomes a seat, becomes a counter, or encloses a space like a wall. Big holes in the bookshelf, it becomes a tunnel, a window, a space like a capsule. This space has made various relationships between books and people, and created rich communication.

Kikuchi city is a local public organization. It is a city in Kumamoto of Kyushu Island ,Japan, with a population of 50,000. This area is a rich agricultural area.