| title | | ISBN-13 | year of publica-
tion |
|---|
| Celtic Alphabets | | 978-0-500-27980-9 | 1998 |
| Celtic Borders | | 978-0-500-28067-6 | 1999 |
| Celtic Design: A Beginner's Manual | | 978-0-500-27629-7 | 1991 |
| Celtic Design: Animal Patterns | | 978-0-500-27662-4 | 1992 |
| Celtic Design, Der keltische Lebensbaum | | 978-3-927940-97-0 | 2001 |
| Celtic Design, Drache und Greif | | 978-3-927940-98-7 | 2001 |
| Celtic Design - Gesamtausgabe: Handbuch der keltischen Spiralmuster, Flechtmuster, Tiermuster und Buchstaben | | 978-3-86663-011-6 | 2006 |
| Celtic Design, Handbuch für Einsteiger | | 978-3-927940-46-8 | 2000 |
| Celtic Design: Illuminated Letters | | 978-0-500-27685-3 | 1992 |
| Celtic Design, Keltische Flechtmuster | | 978-3-927940-47-5 | 1999 |
| Celtic Design, Keltische Spiralmuster | | 978-3-927940-48-2 | 1999 |
| Celtic Design, Keltische Tiermuster | | 978-3-927940-66-6 | 2000 |
| Celtic Design: Knotwork: The Secret Method of the Scribes | | 978-0-500-27630-3 | 1991 |
| Celtic Design: Maze Patterns | | 978-0-500-27747-8 | 1994 |
| Celtic Design: Spiral Patterns | | 978-0-500-27705-8 | 1993 |
| Celtic Design: The Dragon and the Griffin | | 978-0-500-27792-8 | 1995 |
| Celtic Design: The Tree of Life | | 978-0-500-27827-7 | 1995 |
| Celtic Knots: Mastering the Traditional Patterns | | 978-0-500-28399-8 | 2003 |
| Celtic Knots: Mastering the Traditional Patterns: A Step-By-Step Guide | | 978-0-500-51126-8 | 2003 |
| The Book of Kells Painting Book | | 978-0-500-28146-8 | 1999 |
| The Celtic Design Book: A Beginner's Manual, Knotwork, Illuminated Letters | | 978-0-500-28674-6 | 2007 |
| The Lindisfarne Painting Book | | 978-0-500-28184-0 | 2000 |
| The Treasury of Celtic Knots | | 978-0-500-28545-9 | 2005 |