| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2014 | 978-0-9930704-0-2 | Helen Dewdney | How To Complain: The ESSENTIAL Consumer Guide to Getting REFUNDS, Redress and RESULTS! |
| 2019 | 978-0-9930704-2-6 | '' | How to Complain: The Essential Consumer Guide to Getting Refunds, Redress and Results! |