: Likely the most popular choice. It supports a wide range of formats (EPUB, FB2, RTF, HTML) and allows you to customize fonts and backgrounds for comfortable night reading.
If you already have book files (like EPUB or FB2), these apps are the gold standard for the platform: skachat knigu dlia vindovs fon
: Provides high-quality, beautifully formatted public domain books. : Likely the most popular choice