"She went up the stairs to her Dad's room, just in time to see something terrible happen. Her Dad was sitting at his desk. To his left was the wall, and there was something black on it. At first Dora thought it must be a big spider; then that her Dad must have somehow splashed ink or black paint onto the wallpaper; but then she saw that it was moving and growing bigger..."

A mysterious boy, a mysterious box, and a mysterious black beetle. The first of 12 chapters.