| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2019 | 978-1-9994280-0-6 | Lisa Hendrickson-Jack | The Fifth Vital Sign: Master Your Cycles & Optimize Your Fertility |
| '' | 978-1-9994280-3-7 | '' | Fertility Awareness Mastery Charting Workbook: A Companion to The Fifth Vital Sign, Fahrenheit Edition |
| '' | 978-1-9994280-6-8 | '' | Fertility Awareness Mastery Charting Workbook: A Companion to The Fifth Vital Sign, Celsius Edition |