Eliza Jones was a fan of Charles Abbott's horror books. He kidnapped her younger brother to use as inspiration for his Fearsome Frights series of books.
She met the Twelfth Doctor at the 2016 UK Book Festival, where she scolded him for writing in a copy of 1001 Facts about the Universe. She told him about her missing brother. He took her to Antagonista, where they saved Sammy and trapped Abbott in the writer's block. (COMIC: Shock Horror)