Simon Webb is the author of many non-fiction books, ranging from academic works on education to popular history. He has also written dozens of westerns under both his own name and a variety of pseudonyms, such as Harriet Cade, Fenton Sadler and Jay Clanton. He works as a consultant on the subject of capital punishment to television companies and filmmakers and also writes fro various magazines and newspapers, including the Times educational Supplement, Daily Telegraph and The Guardian.