What has the author Steven Reginald Burdett Smith written?

You're likely thinking of Steven Reginald Burdett (not Smith), a British writer known for his work on the popular children's television show "The Wombles".

He is primarily known for:

* Writing the scripts for "The Wombles" (1973-1975) and the later sequel series "The Wombles of Wimbledon Common" (1990-1991).

* Writing the book "The Wombles" (1974), which was based on the TV series and became a bestseller.

He also wrote other books, including:

* "The Wombles Go to the Zoo" (1975)

* "The Wombles Go on Holiday" (1976)

* "The Wombles' Big Day Out" (1977)

While he has written other works, his most significant contribution is undoubtedly his work on "The Wombles", which has become a classic children's show and continues to be enjoyed by generations.