Literature with a science theme?

I don't know specifically what grade level books you are looking for, but a few that came to my mind are The Time Machine and War of the Worlds by H.G. Wells, 20,000 Leagues Under the Sea and Journey to the Center of the Earth by Jules Verne, and Call of the Wild by Jack London. You should also check out the website I found. You can search for science and math literature by grade, genre, and standards, so if my suggestions aren't what you are looking for you should definitely be able to find something that will work. Good luck!