A book is a medium for recording information in the form of writing or images, typically composed of many pages bound together and protected by a cover.
本（ほん）は、書籍（しょせき）または書物（しょもつ）とも呼ばれ、木、竹、絹布、紙等の軟質な素材に、文字、記号、図画等を筆写、印刷し、糸、糊等で装丁・製本したもの。