A good home library would include books of different genres. It would include books of the fiction and nonfiction kind. It would include reference books. It would basically be able to cater to a wide range of readers. You could then select a few popular topics in each category and get those books. For example, in fiction books you could get books that were in the category of mystery, science fiction, romance, mythology, etc. You could get these fiction books of most of the popular authors. In the nonfiction category you could get good biographies or autobiographies of famous people past and present.