Goblin
Facts
Originated in France
Legendary, Evil little creature
In some cases associated with the brownie or gnome
They are depicted as very small and with magical powers
They have no perminant home, they live in old trees or under moss-covered rocks
They are tricky and like to amuse themselves by hiding things, spilling food and occasionaly changing signposts thus confusing travelers.
Goblins In Books
Goblin Quest + the others in the trilogy by Jim. C. Hines - The main character is an uncommanly nice goblin named Jig.
The Goblin Wood by Hilari Bell - The main character allies with the goblins against the humans and cruelness.
Tyger Tyger by Kersten Hamilton - The goblins are the bad guys in this young adult fantasy.