In Labour's first term, Mr Brown was initially prudent and built up a big treasure-chest.

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It is not just that Mongolia is a treasure-chest of geological wealth.

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Papua is already a treasure-chest.

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She said that she had kept it in a "treasure chest" -- a footlocker where she has preserved all of her most precious memories.

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So far the system -- which uses a parent-set sunrise and moonset calculator, and also features a "Treasure Chest Music Selector" to pleasantly awaken your own little treasures -- doesn't seem to be commercially available, which is kind of a shame, because we know more than a few people who would love to trick their tiny terrors into bedtime at five o'clock on the daily.

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But it has also set off a debate: Has Fenn truly hidden the treasure chest or was this, for the idiosyncratic, publicity-loving 82-year-old who loves to tell tales, just another way to have fun, a great caper to bolster his legacy?

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