Any good ebook readers?

[Noir]

thanks to all of the suggestions
I actually have a way of reading files I truly prefer.

For my pdfs from scientific journals, I convert the pdf to text document (depending on images, convert it to rtf or even word document) and convert the file to .lit to use microsoft reader application.

Recreation is the same process but heavy image base I use text
it isn't perfect but it works well and it looks nice on the screen. It is very easy on my eyes