| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9767992-0-7 | Tcat Houser · Gudrun Funk | CompTIA A+ Exam Coupons + CompTIA A+ 220-301 Hardware and CompTIA 220-302 A+ Operating System Practice Tests |
| '' | 978-0-9767992-2-1 | '' | CompTIA Security+ Exam Coupon + CompTIA Security+ SY0-101 Practice Test |
| '' | 978-0-9767992-8-3 | Ian Kayne · Tcat Houser · Gudrun Funk | A+ 4 Real: StudyExam4Less Computer Series |