Open Door Publications · Vanguard Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Skyrocket Your Business in 30 Days While Having Coffee With Helen | 978-0-9828918-5-8 (0-9828918-5-7) | 2011 |
| Survive Australia! | 978-1-84386-486-8 (1-84386-486-X) | 2009 |
H B · Halina Bortnowska · Helen Barden · Helen Boardman · Helen Borten · Helen Breden · Helen Sophie Burton · Hélène Bertini