in every book the kids get in situations were they face some monsters or other unnatural creatures.
In book 2, 1 of the boys invastagate some people in a home, when he ends captured his sister goes looking for him but also ends up captured.
both kids get tied up and gagged with a rag.
there last brother manage to save them.
both kids get 2 picks of there situations
it was kind of hard to know if it was the brother or sister because they both had dark hair in the images
