What was the issue that caused the end of the marriage between Matthew Pike and Jennifer Aratuk? How did the incident in question so profoundly affect them that they were unable to face it together? Was this issue overcome, and if so, how?

What were the Grendels? How was it possible for them to survive? How was their evolutionary link explained by Dr. Henry Ogden? What was so important about this evolutionary link?

How is Admiral Viktor Petkov related to the Russian Ice Base Grendel? Why is he sent on this mission? What are the exact parameters of his mission according to Moscow? What is acknowledged by both sides but not publicly? Why is there such a need for secrecy?

What ulterior plan does Admiral Viktor Petkov have? How does it relate to a project he was in charge of many years previously? What...