Beyond the grave

Betrayed by their cousins, abandoned by their uncle, and with only the slimmest hint to guide them, fourteen-year-old Amy Cahill and her younger brother, Dan, rush off to Egypt on the hunt for 39 clues that lead to a source of an unimaginable power. but when they arrive, Amy and Dan get something completely unexpected-a message from their dead grandmother, Grace. Did Grace set out to help the two orphans...or are Amy and Dan heading for the most devasting betrayal of them all?.