Scary stories

Books by R.L Stine (Goosebumps etc.)
Chillers series. These are quite short with lots of pictures
Tremors series
Vivian Alcock
Mary Downing Hahn
Robert Swindells writes some scary stories, such as Room 13
Pete Johnson's books - e.g. Ghost Dog
Anthony Masters
Anne Halam. Read her books if you want a challenge!
And don't forget the Ghosts of the Isle of Wight series of books, by Gay Baldwin, for those real-life hauntings that might have happened near where you live.

Here are some funny books about ghosts and vampires