The Lake of Learning

For over a decade Cassiopeia Vitt has been building an authentic French castle, using only materials and techniques from the 13th century. But when a treasure is unearthed at the construction sitean ancient Book of Hoursa multitude of questions are raised, all pointing to an ancient and forgotten religious sect.Once the Cathars existed all across southern France, challenging Rome and attracting the faithful by the tens of thousands.  Eventually, in 1208, the Pope declared them heretics and ordered a crusadethe first where Christians killed Christiansand thousands were slaughtered, the Cathars all but exterminated.  Now a piece of that past has re-emerged, one that holds the key to the hiding place of the most precious object the Cathars possessed.  And when more than one person becomes interested in that secret, in particular a thief and a billionaire, the race is on.From the medieval walled city of Carcassonne, to the crest of mysterious Montségur