The Ghost of Marlow House, Book 1
The Ghost Who Loved Diamonds, Book 2
The Ghost Who Wasn’t, Book 3
The Ghost Who Wanted Revenge, Book 4
The Ghost of Halloween Past, Book 5
The Ghost Who Came for Christmas, Book 6
The Ghost of Valentine Past, Book 7
The Ghost from the Sea, Book 8
The Ghost and the Mystery Writer, Book 9