Recommended eBook reader app for android

I’m more than happy with Readest.

Since I’m on Graphene OS I have network permissions off. I don’t need it.

Readest

Readest — Free Open-Source EPUB & PDF Reader for All Platforms

Readest is a free, open-source ebook reader for EPUB and PDF. Read across macOS, Windows, Linux, Android, iOS, and Web with highlights, notes, split-screen reading, TTS, and cloud sync.