Crystal City is volume one of seven in a series covering the ancient Lost continents. Crystal City explores the advanced technology and extra-terrestrial involvement in Lemuria which eventually led to their demise. Advanced technology such as pyramid building, crystalline technology, flying pod transport, underwater high-speed travel, cloning and genetic manipulation, weaponry, etc. This story focuses on the plight of Thinktank led by Si, a ninth level warrior, and his team in their attempt to stop an unknown enemy from sinking Lemuria as seen in a prophetic vision.