Puck and Moyamoya is a therapeutic story. Puck has a disease of the arteries in her brain where small new arteries are made to solve the problem. An operation is often required.Puck and Moyamoya is intended for children who have problems arising from Moyamoya and who may or undergo brain surgery, or who already have.It is intended to explain the problem and make it open to discussion.For children, their parents, professionals in care and teachers.