https://www.mobileread.com/forums/forumdisplay.php?s=373147358596f55914fd84c34145816a&f=211
EPUBReader is an add-on designed to read books in ePub format from within the Firefox browser
mobileread forumsepubreader
https://www.epubread.com/en/
EPUBReader's Home. ePub-Dateien direkt in Firefox lesen.
epubreaderfirefox
https://www.mobileread.com/forums/forumdisplay.php?s=f3cc6eb5f030efbd7772f94c1230474a&f=211
EPUBReader is an add-on designed to read books in ePub format from within the Firefox browser
mobileread forumsepubreader
https://microsoftedge.microsoft.com/addons/detail/gbfdomjljjkagpgdlidoicebkgpienmf
Make Microsoft Edge your own with extensions that help you personalize the browser and be more productive.
microsoft edge addonsepubreader