Summer (The Bloodchild Codex)
From Tardis Wiki, the free Doctor Who reference
Summer was a the great great granddaughter of Thomas Bloodchild. She offered Ellie Higson £5000 for The Bloodchild Codex, and threatened her at gunpoint when she followed her from Litefoot's bookshop. She was killed when she touched the book. (AUDIO: The Bloodchild Codex)
