Unsettled and at a loss for what to say to those accusations, she turned from the demon to study the half dozen languages adorning those spines. Nothing grabbed her attention until a thick, maroon volume toward the end cap of the row glinted with light. Hermione blinked, focused on the book again, and saw no further flashes. But as always, curiosity got the better of her and she tugged the text from the shelf. The spine was unadorned except for a triangle inscribed with a circle and bisected with a vertical line.