A lot of three of "The Avengers" original novels based on the ABC-TV series starring Diana Rigg and Patrick Macnee as Emma Peel and John Steed.  "The Floating Game" (#1 in the series) by John Garforth (1967), "The Laugh Was On Lazarus" (#2) by John Garforth (1967) and "The Magnetic Man" (#8) by Norman Daniels (1968).  Please see all pictures for the condition of these books.  Thanks for looking!