The last installment in the Three Body Problem trilogy from Liu Cixin (or Cixin Liu if you're feeling Western-centric about it) is now available, and if you haven't read any of his stuff, you need to. Stop what you're doing and download it right now.
https://www.amazon.com/Deaths-End-Remembrance-Earths-Past-ebook/dp/B00WDVKZY0/