The Fairy Godfather — Zoe Cannon

The day Paul's daughter is born, a smiling stranger with pointed ears visits the hospital to make him an offer he can't refuse.It's a dangerous world out there. Especially for children. But he can give Paul something any parent would do anything for: the certainty that his child will be safe.And all it will cost is a single drop of blood.For now. But prices always go up...This short story is 12,000 words long. It is also available in Devil's Bargains, a short story collection.