Obsidian

"An action-packed B-movie in book form, with references to the '80s and early '90s." A Mayan temple, lost for centuries, hiding one of mankind's greatest mysteries... A scientist who must die because he has almost solved the riddle... Four stones of obsidian scattered across the world that lead to this temple... When Eric meets the daughter of a scientist whose murder he barely survives, the adventure of a lifetime begins for both of them. Pursued by a seemingly overpowering brotherhood that stops at nothing, they must decipher the clues surrounding mysterious obsidian stones that point the way to a Mayan site. Together with new friends, the search takes them from Vienna to Paris, Barcelona and Mexico where a mystery has been waiting to change mankind for centuries...