Bob Reiss (born 1951) is an American author of nonfiction and fiction books. Reiss, who also writes under the pen-names of Scott Canterbury and Ethan Black, has written more than a dozen books, including Purgatory Road, a murder mystery set in Antarctica, The Road to Extrema, a study of the destruction of Brazilian rain forests, and The Coming Storm, which focuses on global warming and catastrophic weather. Many of his books and articles are based on his travels to Hong Kong, Somalia, South Africa, Antarctica, and other locations around the world.

As the writer Ethan Black, Reiss has penned a series featuring Conrad Voort, a New York City police detective.