What puzzles Billy about the land lady's guest list?

The thing that puzzles Billy about the land lady’s guest list is the fact that he is sure that he has read the names in the newspaper. This scene occurs in the short horror story titled as ‘The Landlady’ which is written by the famous English story writer Road Dahl. Initially, this story was printed in The New Yorker with another printing in KISS KISS (a 1960’s anthology).

The story revolves around Billy and a very welcoming host, who is the landlady of a house that Billy is staying in. It is one of the most popular short horror stories for children.