Near-lightspeed test flights, unpredictable A.I.s, and clever heroines surviving frigid worlds - hard science fiction fans will find their imaginations engaged in these three short stories from the Hayden's World series: 43 Seconds James Hayden has a dream, and the Riggs test vehicle is going to take him there. But when failure after failure leads to his last chance exploding spectacularly, he must partner with an AI and gamble everything for one...