I feel that his novels are becoming more and more mainstream friendly, and Termination Shock is my suggestion. The world is very similar to our own, set in the near future (versus The Diamond Age) of our planet (versus Anathem) and is very relatable.
My other suggestions would be REAMDE for people who are into action movies or spy novels, or the first half of Seveneves for space nerds.
My other suggestions would be REAMDE for people who are into action movies or spy novels, or the first half of Seveneves for space nerds.