Four Letters of Love(Updated) (Spanish Edition) by NiallWilliams Paperback, 352 Pages, Published 2006 by Pan Books Ltd ISBN-13: 978-0-330-35269-7, ISBN: 0-330-35269-5
As It Is In Heaven(Updated) by NiallWilliams Paperback, 320 Pages, Published 2000 by Pan Books Ltd ISBN-13: 978-0-330-37531-3, ISBN: 0-330-37531-8
Boy In The World(Updated) by NiallWilliams Paperback, 352 Pages, Published 2008 by Harper ISBN-13: 978-0-00-721346-7, ISBN: 0-00-721346-8
This Is Happiness (Paperback) by NiallWilliams Paperback, 400 Pages, Published 2020 by Bloomsbury Publishing Plc, United Kingdom, London ISBN-13: 978-1-5266-0935-9, ISBN: 1-5266-0935-5
This Is Happiness by NiallWilliams Hardcover, 400 Pages, Published 2019 by Bloomsbury Publishing ISBN-13: 978-1-63557-420-3, ISBN: 1-63557-420-X
History of the Rain(Reprint) A Novel by NiallWilliams Paperback, 368 Pages, Published 2015 by Bloomsbury Usa ISBN-13: 978-1-62040-770-7, ISBN: 1-62040-770-1
Four Letters of Love(Reprint) A Novel by NiallWilliams , John Hurt Paperback, 368 Pages, Published 2015 by Bloomsbury Usa ISBN-13: 978-1-63286-318-8, ISBN: 1-63286-318-9