Crystal Skull Series - Gary Farmer - Bog

The country is Belize, the year is 1981, and the British are pulling out giving the country Independence. There's a corporation set destruction, a family trying to uncover a forgotten story hidden within a ruined temple, a ancient evil preparing to once again rise from the shadows, and a lost artifact with secret powers buried by time that will cast a young student on a mission to help the world in to a storm of uncontrollably events forever changing his life.