<p><b>The trail of missing coders leads a spy into an international underworld of treachery, double agents, and digital espionage in a propulsive thriller by a <i>Wall Street Journal</i> bestselling author.</b></p><p>Retired intelligence operative Brad Trasker heads security at a remote aerospace facility when there’s a major breach. A photo of their top-secret AI-designed hydrogen engine has surfaced online. Trasker’s investigation into who did it soon leads to a start-up in Bangkok, where its three software developers have disappeared, along with nearly a million dollars in investment money.</p><p>Following their tracks, Trasker hits a dead end. The start-up’s HQ is a padlocked crime scene. No one—not the cagey locals, the mobbed-up gangs, or the Royal Thai Police—is keen on answering Trasker’s questions. But their message is clear: get out of Bangkok or die.</p><p>Hunted by assassins, Trasker is drawn into the same complex high-tech underworld of