| O-Level English Language Yearly Edition (2015-2024) | SAP | $5.55 | |
| O-Level Mathematics Yearly Edition (2015-2024) | SAP | $8.75 | |
| O-Level Additional Mathematics Yearly Edition (2015-2024) | SAP | $5.55 | |
| O-Level Physics Yearly Edition (2015-2024) | SAP | $10.35 | |
| O-Level Chemistry Yearly Edition (2015-2024) | SAP | $9.56 | |
| O-Level Biology Yearly Edition (2015-2024) | SAP | $9.55 | |
| O-Level Physics Practical (2018-2024) | SAP | $6.35 | |
| O-Level Chemistry Practical (2018-2024) | SAP | $6.35 | |
| O-Level Chemistry Practical (2018-2024) | SAP | $6.35 | |
| O-Level Biology Practical (2018-2024) | SAP | $7.15 | |
| O-Level Science (Physics) Yearly Edition (2015-2024) | SAP | $8.75 | |
| O-Level Science (Chemistry) Yearly Edition (2015-2024) | SAP | $7.15 | |
| O-Level Science (Biology) Yearly Edition (2015-2024) | SAP | $7.95 | |
| O-Level Science (Physics) Practical (2015-2024) | SAP | $6.35 | |
| O-Level Science (Chemistry) Practical QA (2015-2024) | SAP | $3.95 | |
| O-Level Science (Biology) Practical (2018-2024) | SAP | $6.35 | |
| O-Level Geography Yearly Edition (2015-2024) | SAP | $8.75 | |
| O-Level Humanities (Geography) Yearly Edition (2015-2024) | SAP | $6.35 | |
| O-Level Humanities (History) Yearly Edition (2015-2024) | SAP | $4.75 | |
| O-Level Humanities (Social Studies) Yearly Edition (2015-2024) | SAP | $4.75 | |
| O-Level Nutrition And Food Science [Paper 1] Yearly Edition (2015-2024) | SAP | $5.55 | |
| O-Level Principles Of Accounts Yearly Edition (2015-2024) | SAP | $5.55 | |
| O-Level 华文题解 Yearly Edition (2015-2024) | SAP | $10.35 | |
Higher Chinese | O-Level 高级华文题解 Yearly Edition (2015-2024) | Spore Asia | $6.35 | |