“What did you do?" Kate asked."Nothing. We're inside the wards." Simon laughed and drank the elixir.She looked around with surprise. "How can you tell? At night? In the snow?""That tree." He indicated an ash tree standing amidst other ash trees."It looks like a thousand other trees.""No, it looks like you." Simon took a shallow, pained breath, but smiled. "It's my marker."Both Kate and Malcolm stared at the tree. Kate cocked her hip. "It looks like me? A tree? That's flattering.""Yes. See how the curves--" Simon worked his hands in an hourglass shape. "It looks like you.”