| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1991 | 978-1-890040-00-0 | T. McLlwain · N. Eversen | Firm Foundations: Creation to Christ |
| 1994 | 978-1-890040-01-7 | Trevor Mcllwain · Nancy Everson | Firm Foundations Creation to Christ Notebook |
| 1997 | 978-1-890040-03-1 | Trevor McIlwain | Firm Foundations: Creation to Christ Childrens Workbook |
| 2000 | 978-1-890040-09-3 | Jean Dye Johnson | God at the Controls: A Night Escape and a Miracle Release from Guerrillas |
| 2005 | 978-1-890040-40-6 | Trevor McIlwain | Building on Firm Foundations Vol 1: Guidelines for Evangelism and Teaching Believers |
| 2009 | 978-1-890040-89-5 | '' | Firm Foundations: Creation to Christ Revised Set |
| '' | 978-1-890040-96-3 | '' | FIRM FOUND.CREATION TO CHRIST-STUDY GDE by Trevor McIlwain (2009-05-03) |