Fans of the author John Buchan are to mark the 90th anniversary of his most famous novel.
The Thirty-Nine Steps was written in Broadstairs, Kent, while Buchan was recuperating from a serious illness.
Members of the John Buchan Society, including two of his granddaughters, will visit the actual steps featured in his spy thriller on Sunday.
The steps are located at North Forshaw Cliffs, about a mile away from the seaside town.
The Thirty-Nine Steps was written in 1915, and became Buchan's most popular novel, introducing his famous hero, Richard Hannay.
The book has been continuously in print since its first publication and has been filmed three times, most notably by Alfred Hitchcock in 1935.