" Well, it's nice to know that the Trolls made it this far south,' Ulath said. 'I'd hate to have to go looking for them.'
'Their Gods were guiding them, Ulath,' Tynian pointed out.
'You've never talked with the Troll-Gods, I see,' Ulath laughed. 'Their sense of direction is a little vague - probably because their compass only has two directions on it.'
'Oh?'
'North and not-north. It makes finding places a little difficult. "

― David Eddings , The Hidden City (The Tamuli, #3)