Ghost Island
A Naitabal Mystery
The house that was Ghost Island was silhouetted against the sky, towering above the lake. Thick, round wooden posts stuck up out of the water a few metres from it, like giant hippo teeth, encircling the whole house as far as their eyes could see.
NAITABAL: A wild species of human, aged about 10
| Language: | Used by Naitabals to confuse enemies and adults. |
| Tree: | Any large tree (preferably oak) suitable for habitation by Naitabals. |
| Seas and Islands: | Areas of land occupied by Naitabals and their enemies. |
| Territory: | Territory controlled by Naitabals — marked as "N.T." on most maps. |

When the Naitabals see the unusual advertisement in their local newspaper, they know they won't rest until they can unravel its strange meaning: