21 January 2017 Last updated at 11:03 GMT
Former British spy and author Ted Allbeury, from Tunbridge Wells in Kent, wrote The Twentieth Day of January during heightened cold war tensions in 1980.
The 37-year-old novel has attracted a fresh wave of attention as its plot reflects current concerns about US politics today.
Donald Trump was sworn in as US President on Friday after a controversial campaign which included claims Russian spies were involved in hacking during the election campaign.
A spy novel written nearly 40 years ago about Russia attempting to get one of its own into the White House has risen to the top of the download charts in its genre.