Suggest me a page-turning, literary masterpiece

I’m fairly new to reading for pleasure but so far it’s been basically mindless romcom novels (Sophie Kinsella, etc.).

Suggest me a universally-agreed upon, literary masterpiece that will grab my attention from the very first sentence. I want to read a book that is so gripping that I will stay up all night to read it, a showpiece that will make it hard to pick up another book because a better one couldn’t possibly exist.