I have a scene in Chapter 20 where somebody calls for the Martian equivalent of an ambulance. If you think what I wrote can’t happen, think again. After my second heart attack, when I was laying on the bed, sweating like a pig, totally without strength, and feeling like a ton of weight was on my chest, my wife says, ‘I’m calling 9-1-1. What’s the number?’ I can barely breathe but I did manage to gasp out, ‘Are you for real?’ I can’t make this shit up! Enjoy!