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. ABOUT THE AUTHORS Martine F. Delfos, is biopsychologist and works with multiple traumatized children and adults. For the first therapeutic children's books she received the Wilhelmina price. The second author and inspirator for this book is Annick Kronenburg. She has come up with the idea to make a book for children with Moyamoya. The book is given its form by collaboration. Annick Kronenburg is in training as a neurosurgeon at UMC Utrecht specializing in Moyamoya and her PhD research is about Moyamoya. She is part of the Moyamoya team of UMC Utrecht, where children (and adults) are treated for Moyamoya from the Netherlands and Belgium, among others.