| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Deserts | 978-0-86593-380-4 | 1994 | |
| Grasslands | 978-0-86593-381-1 | 1994 | |
| Scientists | 978-0-86593-370-5 | 1994 | |
| Scientists Who Study Ancient Temples and Tombs | 978-0-86593-376-7 | 1994 | |
| Scientists Who Study Fossils | 978-0-86593-375-0 | 1994 | |
| Scientists Who Study Ocean Life | 978-0-86593-371-2 | 1994 | |
| Scientists Who Study Plants | 978-0-86593-373-6 | 1994 | M. Higginson |
| Scientists Who Study the Earth | 978-0-86593-372-9 | 1994 | |
| Scientists Who Study Wild Animals | 978-0-86593-374-3 | 1994 | M. Higginson |
| The Forests | 978-0-86593-382-8 | 1994 | |
| The Mountains | 978-0-86593-383-5 | 1994 | |
| The Ocean | 978-0-86593-379-8 | 1994 | |
| The Polar Regions | 978-0-86593-378-1 | 1994 | |
| This Earth of Ours | 978-0-86593-377-4 | 1994 | |