Prologue Ocean Boy glided through the day in gradients of gray and green; occasional glittering light broke through the liquid world when his two-foot dorsal fin, notched and battle-scarred, cut the surface for a quarter hour, unaware he was a two-thousand pound apex predator marvel. At gloaming, he rode the liquid slopes to deeper, deepest depths, specialized blood vessels keeping Ocean Boy’s body temperature higher than the cold water pressing his organs. The hunt was on. Night vision was activated. His black eyes rolled back to fibrous muscle as his jaws snapped the meaty squid, clamped rows of sharp teeth, his torpedo body impervious to struggling arms and suckers, to spilled ink blacking the already black depths. Sated, he headed northwest. Forty-three miles a day he averaged, intent on a destination his brain had mapped at birth, a magnetic and magnificent tug toward innate hunger for fatty seal and sea lion, for adding weight, for adding years, for adding fear. At purple dawn, Ocean Boy’s dorsal fin broke the southern sea surface. The scent of blood increased his speed. *** Chapter One Safe from the tempest, Alexa Glock dripped across the cement floor to the ticket counter. She scanned the…