You aren't limited to the built-in stores. You can add any website that provides an . Purchasing books on ЛитРес book store - FBReader
: High-quality, formatted editions of public domain books. 3. Adding Your Own Sources (OPDS) fbreader gde skachat knigi
If you are looking for classic literature or legally free modern works, these sources are highly recommended: You aren't limited to the built-in stores
: This integration is fully functional on Android and desktop platforms ( Windows, Mac, Linux ). 2. Free Legal Libraries Linux ). 2. Free Legal Libraries