| title | media type | ISBN-13 | year of publication |
|---|
| Destiny Of The Republic | Hardcover | 978-1-4104-4625-1 | 2012 |
| Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President | Paperback | 978-0-7679-2971-4 | 2012 |
| Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President | Audio CD | 978-0-307-93965-4 | 2011 |
| Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President | Hardcover | 978-0-385-52626-5 | 2011 |
| Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President | " | 978-0-385-53500-7 | 2011 |
| Hero of the Empire: The Boer War, a Daring Escape, and the Making of Winston Churchill | Paperback | 978-0-307-94878-6 | 2017 |
| Hero of the Empire: The Boer War, a Daring Escape, and the Making of Winston Churchill | Audio CD | 978-0-307-98793-8 | 2016 |
| Hero of the Empire: The Boer War, a Daring Escape, and the Making of Winston Churchill | Hardcover | 978-0-385-53573-1 | 2016 |
| Hero of the Empire: The Boer War, a Daring Escape, and the Making of Winston Churchill | Paperback | 978-0-8041-9489-1 | 2016 |
| River of Doubt | Hardcover | 978-0-316-72475-3 | 2005 |
| THE RIVER OF DOUBT | " | 978-0-375-72843-3 | 2005 |
| The River of Doubt: Theodore Roosevelt's Darkest Journey | Paperback | 978-0-316-02714-4 | 2006 |
| The River of Doubt: Theodore Roosevelt's Darkest Journey | Audio Cassette | 978-0-7393-2302-1 | 2006 |
| The River of Doubt: Theodore Roosevelt's Darkest Journey | Audio CD | 978-0-7393-4050-9 | 2006 |
| The River of Doubt: Theodore Roosevelt's Darkest Journey | Paperback | 978-0-7679-1373-7 | 2006 |
| The River of Doubt: Theodore Roosevelt's Darkest Journey | Hardcover | 978-0-385-50796-7 | 2005 |
| The River of Doubt: Theodore Roosevelt's Darkest Journey | Audio CD | 978-0-7393-2303-8 | 2005 |