| Series | # | Rating | Takes | |
|---|---|---|---|---|
| Cisco CCNA/CCNP | 28 | 0 | 4.80 | 2,614 |
| CompTIA A+ Study Guide | 22 | 0 | – | 811 |
| SAT Vocab | 11 | 0 | – | 529 |
| CompTIA A+ Acronyms | 14 | 0 | – | 281 |
| Web Design | 6 | 0 | – | 200 |
| CompTIA Network+ Acronyms | 15 | 0 | – | 111 |
| CCNA Acronyms | 17 | 0 | – | 111 |
| CompTIA Security+ Acronyms | 16 | 0 | – | 101 |
| Communication | 8 | 0 | – | 52 |
| Cisco Acronyms | 7 | 0 | – | 22 |
| CompTIA Server+ Acronyms | 7 | 0 | – | 5 |