General Knowledge & History
| Book Name | Author / Editor | Publication | Approx. Price |
| Lucent’s General Knowledge (English/Hindi Edition) | Dr. Binay Karna & Editorial Board | Lucent Publications | MRP: ₹315 – ₹350 Online: ₹160 – ₹240 |
| Assam General Knowledge / Assam Year Book | Shantanu Kaushik Baruah / Dr. Sailen Baishya | Variable (Local Assam Publishers) | MRP: ₹350 – ₹450 Online/Retail: ₹280 – ₹380 |
| General Studies Manual for APSC | Rajkumar Das & Biswajit Dutta | Variable / Reputed Civil Service Press | MRP: ₹700 – ₹850 Online/Retail: ₹550 – ₹680 |
Mathematics & Quantitative Aptitude
| Book Name | Author | Publication | Approx. Price |
| Quantitative Aptitude for Competitive Examinations | Dr. R.S. Aggarwal | S. Chand Publishing | MRP: ₹850 Online: ₹490 – ₹550 |
| Fast Track Objective Arithmetic | Rajesh Verma | Arihant Publications | MRP: ₹475 Online: ₹280 – ₹340 |
Reasoning (Logical & Analytical)
| Book Name | Author | Publication | Approx. Price |
| A Modern Approach to Verbal & Non-Verbal Reasoning | Dr. R.S. Aggarwal | S. Chand Publishing | MRP: ₹899 Online: ₹510 – ₹660 |
English Grammar & Vocabulary
| Book Name | Author | Publication | Approx. Price |
| Objective General English | S.P. Bakshi | Arihant Publishers | MRP: ₹599 Online: ₹220 – ₹360 |
| Black Book of English Vocabulary | Nikhil Gupta | Neon Publishers | MRP: ₹499 Online: ₹290 – ₹350 |
| English Grammar and Composition (Assamese Medium Base) | Local Academic Panel | Bani Prakash | MRP/Retail: ₹180 – ₹260 |
| High School English Grammar & Composition | Wren & Martin | S. Chand Publishing | MRP: ₹425 Online: ₹250 – ₹320 |