Markham Ed. Ghosts in the Machine

Kindle Edition. - 2017. - 299 p. - (David and Martin Yerxa. Book 3). - ASIN B06XCDQDDC.
The billionaire founder of an Internet empire is dead. No one can explain what killed him.
Another tech industry titan is missing. No one can explain how he disappeared.
The FBI assigns David and Martin Yerxa to investigate. But father and son are outside their comfort zone among the Internet CEOs, tech journalists, and intelligentsia of Northern California.
Together, David and Martin must unravel the mystery of one man's death and another's disappearance while battling the larger forces that seem to be working against them.
Ghosts in the Machine is a tense, thought-provoking thriller that will leave you guessing until the final shocking pages.