Bahorel grins and leans forward. "Travel between worlds we know to be true, now-- at least for people. Could ideas travel too? Could every story have a true version somewhere-- like Father Christmas, wherever he normally resides-- and whispers of it bleed to other worlds?"

"It's not just him, of course; many of us seem to have stories of each other in some form, more or less --and sometimes much less--true." He stretches out a hand enough to swat at Combeferre's leg. "Come,then,you're the scientist; what do you think is happening?"