It was the summer of love, hippies and psychedelia, but 1967 was also the year of an apparent alien invasion.
Police, scientists and the RAF were scrambled to examine a number of UFOs which had appeared in fields around Britain.
One of those locations was on the Isle of Sheppey where the flying saucers turned out to be a student hoax.
Now an author is hoping people involved in the incident will contact him.
Robin Gibson takes a look back.