If you are a book purist, you might scoff when I recommend an e-reader instead of buying physical books, and I won’t blame you. The allure of the smell of pages, the weight of the book in my hands, the whole ritual, is hard to resist.  However, if you allow me some leeway to convince you, there’s a strong argument to be made against physical books and in favor of using e-readers. So let me make the case for e-readers, because once you understand what you’ve been missing, it’s hard to go back. Your entire library fits in your bag This is the most obvious advantage, but it doesn’t get enough credit. I always read more than one book at a time, and carrying two or three physical books around is not realistic. Thick books alone are a chore to carry. Rachit Agarwal / Digital Trends With an e-reader, you carry hundreds of books in a slim package. Switching between titles takes a second. If you travel frequently, this alone is reason enough to make the switch.…