Cover by Raymond Hawkey. According to 007 Magazine, there is a variant printing in which the Hawkey cover was used but with a dust jacket-style wraparound of the film tie-in cover. (this comment is from another edition of this book)
According to 007 Magazine there is a variant of the Pan film tie-in paperback edition that uses the Raymond Hawkey scorpion cover but with a dust jacket of the film tie-in cover. (this comment is from another edition of this book)