(From the publisher):
When dogs start to disappear, Violet suspects it's pixie magic. Two dwarfs, Greenie and Meanie, want to take dogs back to the Otherworld and open a zoo! How will Violet and Sprite ever stop these dog-napping dwarfs?
Original title: Double Trouble Dwarfs
Genre: Fiction→ Children & Young Adult→ Fantasy→ Mythical Creatures→ Fairies