Titanium Noir by Nick Harkaway

"A virtuosic mash-up of Philip K. Dick and Raymond Chandler by way of Marvel [what could go wrong]—the story of a detective investigating the murder of a Titan, one of society’s most powerful, medically-enhanced elites, Titanium Noir is a tightly woven, intricate tale of murder, betrayal, and vengeance."

Currently £2.99 on Kobo or Kindle or Hive eBooks (other formats are available here or here).