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On holiday in Cornwall, the three Drew children discover an ancient map in the attic of the house that

they are staying in. They know immediately that it is special. It is even more than that -- the key

to finding a grail, a source of power to fight the forces of evil known as the Dark. And in searching

for it themselves, the Drews put their very lives in peril.

• CornwallDark is RisingArthurian legendBritishbook onechildren's literaturebooks in a seriesyoung adultfantasy