A small, thin book or pamphlet, often used for informational or promotional purposes.
I picked up a tourist information booklet at my destination.
この小冊子には商品の詳しい説明が載っている。
This pamphlet contains detailed descriptions of the products.
We created a booklet to introduce the company.
We handed out booklets in front of the station.
That organization publishes a booklet every year.