CreateSpace Independent Publishing Platform · Independently published
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| KALLIS' Redesigned SAT Pattern Strategy 3rd Edition: 6 Full Length Practice Tests | 978-1-7278-5346-9 (1-7278-5346-6) | 2018 |
| KALLIS' TOEFL iBT PATTERN III: College Test Prep + Study Guide Book + Practice Test + Skill Building + TOEFL iBT | 978-1-6501-9002-0 (1-6501-9002-6) | 2019 |