A young Oxford scientist has discovered a valuable secret in the waters of a Scottish castle\'s sea loch. the Contessa.. . .
Until she comes up against . . .
Attempting to recover the secret, she follows the trail through Oxford and across Europe .
So when the secret is stolen and disaster looms for the castle\'s owner, girl detective Daisy goes after the crooks.
A young Oxford scientist has discovered a valuable secret in the waters of a Scottish castle\'s sea loch