How to Lose a Goblin in Ten Days - Jessie Sylva

When a halfling, Pansy, and a goblin, Ren, each inherit the same woodland cottage, they make a bargain: they'll live under the same roof and whoever is driven out first forfeits their claim. Amit forced proximity and cultural misunderstandings, the two begin to fall in love. 

But when the cottage - and their communities - are threatened by a common enemy, the duo must learn to trust each other, and convince goblins and halflings to band together to oust the tall intruder.