Charlie sighed. "That's true. "But the South Pole is now in a deep freeze, so it's a hostile environment. I can survive, but not the rest of you can't, without some refuge."

"Actually, why not let's change our approach?" Vera suggested. "Let's have Helena put in a request, and we board the research vessel before it departs, calling it a round trip before coming back. I'm sure a simple backdoor request like that is possible, and when Charlie reaches Antarctica, he can keep us invisible with mind