Poll: What to read next?

I’m going to finish Rob Sawyer’s excellent The Terminal Experiment tonight. I’m having trouble deciding what to read next, but rather than lose momentum, I thought I’d ask you all what you would recommend. Here’s the list I’m considering from my current stack of books that I have never read. Let me know which I absolutely must read next:

I’ll read whatever the majority decision is by the time I get into the office tomorrow morning. If for some reason there is a tie, I guess I’ll just pick one myself.