Kevin J. Anderson

Dune is the bestselling science fiction book of all time. It's something you really need to read in your lifetime. If you're going to read The Lord of the Rings, which everyone should, then you have to read Dune, too.

Many of Judy Blume's books - which I devoured when I was growing up and where I found characters that were believable because they were a lot like me - caused considerable consternation when they were first published, but now they're widely accepted as an essential part of the children's literary canon.