Christaine Northrup · Christian Neureuther · Christiane Northrup · Christina Northrup
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Hanging Up on Your Phone Phobias | 978-1-930182-04-2 | 2004 |
| Lemon Aid Deed Alphabet: Deeds to Convert Leads to Committed Customers | 978-1-930182-02-8 | 2000 |
| Presentations for Profits | 978-1-930182-03-5 | 2002 |
| The Best of the Lemon Aid Lady | 978-1-930182-05-9 | 2004 |
| Where to Find Customers When You Run Out of Family and Friends: The Lemon Aid Lead Alphabet | 978-1-930182-01-1 | 2000 |