Two such books are listed on Amazon because used copies can be sold. I have no plans to unpublish any other books, but there are no guarantees.
Hank & Flo On The Go: Hank & Flo
When Hank Met Flo: Hank & Flo
Tim Sawyer Author Updates email covers updates on my books (not chess).Chess Training Repertoire email sent at 11:45 AM Eastern time Thursday.
Playing Chess Openings is my chess blog.