Mystery of the Swiss Vines

On the sunlit terraces aboveLake Geneva, history is burieddeeper than the roots of thevines. When Grace uncovers ahidden network of tunnels,coded documents, and acenturies-old claim, she findsherself in a race against acalculating rival who will stopat nothing to possess it. But ina landscape where everyshadow hides a clue,observation may be the onlyweapon that matters. Somesecrets are meant to be...