The Biokovo Code 2

After escaping the hidden ruins of Atlantis and surviving a helicopter crash off the Charleston coast, siblings Jet and Xavier are thrust into a reality that shatters every scientific law they once trusted. Their father's encrypted notebook unveils a posthumous mission-one entangled in a sinister global syndicate and a cosmic war stretching across centuries.

Pursued by ancient adversaries and guided by only fragments of forbidden history, Jet and Xavier seek refuge in a secluded palace in Ch...