The Ghost in the First Row is a novella written by Gertrude Chandler Warner. It was the 122nd book in The Boxcar Children book series and was published in 2007.
Description[]
The Aldens are visiting Aunt Jane in Elmford where they will see a mystery play at the Trap-Door Theater. Each day at rehearsal something strange happens to the front-row seat once occupied by the theater's benefactor. Is the benefactor's ghost about?