Khmer eBook was developed with this in mind which is to promote reading among all Cambodian children who value curiosity and seek information. Some of its features include a website that allows you to download books for free. It also has the daily addition of new books. All books are categorized into particular subject areas such as history, and philosophy. It is accessible everywhere and you can read offline by downloading. This app has an attractive design that makes reading easy and you can choose the dark or light mode which is already added. Check this and you can try it for yourself!