As It Is in Heaven(Reprint) by NiallWilliams Paperback, 332 Pages, Published 2000 by Grand Central Publishing ISBN-13: 978-0-446-67601-4, ISBN: 0-446-67601-2
Four Letters of Love(Reprint) by NiallWilliams Paperback, 288 Pages, Published 1998 by Grand Central Publishing ISBN-13: 978-0-446-67493-5, ISBN: 0-446-67493-1
"The compelling stories of two Irish brothers intertwine in a heartfelt novel of destiny, acceptance, tragedy and miracles. A "New York Times" Notable Book of the Year."
Four Letters of Love by NiallWilliams Paperback, Published 1998 by Farrar, Straus And Giroux ISBN-13: 978-0-9652395-5-4, ISBN: 0-9652395-5-1
As It Is in Heaven by NiallWilliams Paperback, Published 1999 by Picador Books ISBN-13: 978-0-330-39238-9, ISBN: 0-330-39238-7
As it is in Heaven by NiallWilliams Hardcover, 352 Pages, Published 1999 by Picador ISBN-13: 978-0-330-37530-6, ISBN: 0-330-37530-X
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
Amor en cuatro letras by NiallWilliams Paperback, 322 Pages, Published 1998 by Editorial Seix Barral, S.A. ISBN-13: 978-84-322-0745-7, ISBN: 84-322-0745-4
The Satires(Updated) (Oxford World's Classics) by Niall Rudd , William Barr , "Juvenal Juvenal Paperback, 304 Pages, Published 1999 by Oxford University Press, Usa ISBN-13: 978-0-19-283945-9, ISBN: 0-19-283945-4