Question #1986

Geek Question of the Day: Love stories abound in fiction, but tonight I'm going to aim in the other direction and ask you; What are your favorite stories where the main character has no love interest and why? As usual, repeats are fine, as are any sources or genres you like!

Google Discussion: http://bit.ly/2D3TULk

Image source: http://bit.ly/2AxdD03