BBC · BBC Active · Bradt Travel Guides
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Guide to Namibia and Botswana | 978-1-898323-00-6 (1-898323-00-3) | 1994 | Chris McIntyre |
| Make Me a Baby: The Essential Guide to Conception, Pregnancy and Birth | 978-1-4066-1399-5 (1-4066-1399-1) | 2007 | |
| Master Your Memory | 978-0-563-48700-5 (0-563-48700-3) | 2003 | Tony Buzan |