Author:Jeff Sutton

When looking up The Mindblocked Man one AbeBooks bookseller reported that this author's byline is sometimes Jefferson Sutton though at present there are no publications in ISFDB using that name. A search on AbeBooks for that name finds though
 * The Missile Lords: An explosive novel of the world of missiles and missile-makers Dell 1963, Dell 5680 1964
 * Cassady (ISBN: 0312123434) St. Martins Press, 1979.  (Split with 10 records under Jeff and 10 under Jefferson)
 * Cassady (ISBN: 0709189281) Hale. Hardcover 1980, UK 1st edition