Cope's writings cover a variety of topics, including history, travel, and sport. He is perhaps best known for his works of historical fiction, which often feature characters from English history. Some of his most notable works include:
* *The Life and Adventures of Robinson Crusoe* (1859)
* *The Swiss Family Robinson* (1867)
* *Around the World in Eighty Days* (1873)
* *Twenty Thousand Leagues Under the Sea* (1870)
* *The Mysterious Island* (1875)
* *Michael Strogoff* (1876)
* *The Begum's Fortune* (1879)
* *Dick Sand, A Captain at Fifteen* (1883)
* *The Archipelago on Fire* (1884)
* *The Vanished Diamond* (1896)
* *Wreck of the Cynthia* (1885)
In addition to his novels, Cope also wrote a number of travel books and articles, as well as several works of non-fiction. He was also a regular contributor to a variety of newspapers and magazines, including The Times, The Daily Telegraph, and The Spectator.
Gilbert Cope died in 1916 at the age of 76.