| title | ISBN-13 | year of publication |
|---|---|---|
| Assassins: The KGB's Poison Factory Ten Years On | 978-1-5267-3392-4 | 2019 |
| KGB's Poison Factory: From Lenin to Litvinenko | 978-0-7603-3753-0 | 2010 |
| Stalin's Agent: The Life and Death of Alexander Orlov | 978-0-19-965658-5 | 2014 |
| The Kgb's Poison Factory: From Lenin to Litvinenko | 978-1-5267-2427-4 | 2017 |
| The KGB's Poison Factory: From Lenin to Litvinenko | 978-1-84832-542-5 | 2009 |
| The Orlov KGB File: The Most Successful Espionage Deception of All Time | 978-1-929631-84-1 | 2014 |
Enigma Books · Motorbooks · Oxford University Press · Seaforth Publishing