Perhaps there are stories centered around malevolent spirits. These spirits could be the result of some past tragic events. The book might describe in detail how the characters experience the presence of these spirits, like strange noises in the middle of the night, cold spots in a room, and unexplained movements of objects.
One similar book could be 'The Haunting of Hill House' by Shirley Jackson. It has a great atmosphere of horror and mystery. Another one is 'Dracula' by Bram Stoker, which is a classic horror with the famous vampire theme.
Since I don't know the exact content of the 'pan book of horror stories', it's hard to say. But it could have a brave detective as a main character who is trying to solve the mystery behind a series of strange deaths in a spooky mansion.
I'm not sure specifically which 'pan book of horror stories' you mean as there could be many. But generally, horror stories often include elements like ghosts, haunted houses, and psychological terrors. Maybe it has a story about a cursed object that brings misfortune to whoever possesses it.
It depends on your tolerance for horror. If you're easily spooked by things like ghosts, demons, and psychological twists, then you'll probably find the stories in the 26th pan book of horror stories very scary. However, if you're a seasoned horror fan, you might find some of the stories predictable, but there could still be some that send shivers down your spine. For instance, a story that plays on common fears like the fear of the dark or being alone in a strange place can be quite effective in scaring the reader.
It depends on your definition of'scary'. Some people are easily frightened by horror stories, while others might find them not so terrifying. Since I haven't read it, I can't say for sure.