Conversation so far:
What books did Terrance Dicks write?
Terrance Dicks wrote a trilogy for Target Books, The Mounties, concerning a Royal Canadian Mounted Police recruit.
When did Terrance Dicks write The Mounties?
In 1976, Terrance Dicks wrote a trilogy for Target Books, The Mounties.

Question: Did he write any other books?
Self-contained rewrite: Did Terrance Dicks write any other books besides The Mounties?