| title | media type | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| A History of Ancient Astronaut Theory | Paperback | 978-1-5347-9113-8 | 2016 | ||
| Ancient Greece | " | 978-1-58728-455-7 | 2000 | ||
| Ancient Greece | Hardcover | 978-1-58728-060-3 | 1999 | ||
| Ancient Greece | Paperback | 978-1-58728-066-5 | 1999 | ||
| Aztecs | " | 978-1-58728-450-2 | 2000 | ||
| Bossholes: Bosses Behaving Badly | " | 978-0-9744836-0-3 | 2003 | Will Douglas · Carol Lynne | |
| Egyptians | Spiral-bound | 978-1-58728-458-8 | 2000 | Clair Watts | |
| IELTS 5 Practice Tests, Academic Set 2: Tests No. 6-10 | Paperback | 978-0-6480000-0-6 | 2017 | Simone Braverman | |
| IELTS 5 Practice Tests, General Set 3: Tests No. 11-15 | " | 978-0-6480000-3-7 | 2017 | " | |
| Jetzt weiß ich mehr über die Ägypter | Gebunden | 978-3-451-22561-1 | 1992 | Claire Watts | |
| Jetzt weiß ich mehr über die Chinesen | " | 978-3-451-22563-5 | 1993 | " | |
| Jetzt weiß ich mehr über die Griechen | " | 978-3-451-22562-8 | 1993 | ||
| Jetzt weiß ich mehr über die Wikinger | " | 978-3-451-22560-4 | 1992 | Claire Watts | |
| London Restaurant Guide | Hardcover | 978-0-948576-22-5 | 1989 | ||
| The Mongols | Library Binding | 978-0-7910-2706-6 | 1994 | ||
| The Mongols | Paperback | 978-0-7910-2730-1 | 1994 | ||
| The Sioux | " | 978-0-7910-2732-5 | 1993 | ||
| The Ulysses Guide: Tours Through Joyce's Dublin | " | 978-1-904301-01-1 | 2002 | ||
| The Zulus | " | 978-0-7910-2734-9 | 1994 | ||
| Vikings | Hardcover | 978-1-58728-065-8 | 1999 | ||
| Vikings | Spiral-bound | 978-1-58728-467-0 | 1997 | ||
| Vikings | " | 978-1-85434-489-2 | 1997 | Claire Watts · Jason Page | |
| Vikings: Come and Discover My World | Paperback | 978-1-58728-071-9 | 2001 | ||
R.N. · R. Nicholson · Robert H. Nicholson · Robert I. Nicholson · Robert Lawrence Nicholson · Robert N. · Robert Nicholson Publications
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