| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-0-9549053-0-9 | ROBERT REDFERN | Pain Relief,Inflammation Relief and Clear Arteries!: The 2nd Gift from Silkworms Is Serrapeptase |
| 2006 | 978-0-9549053-2-3 | Robert Redfern | Turning a Blind Eye |
| '' | 978-0-9549053-3-0 | '' | The Miracle Enzyme is Serrapeptase: The Second Gift from Silkworms |