So far I'm impressed. Now, if you could convert PDFs as well, that would be great!

Si tienes un lector de libros electrónicos esta extensión es imprescindible.

This is the best plugin for this purpose. Phenomenal.

This app is solid, I just printed a custom book from my tabs no problem! And it's open source! Also the dev is friendly and updates often! Best of all, it's a really pretty add-on, super polish.