Some of the books that you can opt for the preparations of SSC Junior Engineer Recruitment exam are:
1. Kiran's SSC Junior Engineer Mechanical Engineering Self Study guide
2. SSC Junior Engineers (Mechanical) Exam Guide by
3. SSC JE Civil Engineering Previous Year Solved Papers by Made Easy Publication
4. SSC Junior Engineer Civil & Structural Engineering Recruitment Exam Guide by Disha Prakashan
5. Question Bank in Electrical Engineering by J.B Gupta
6. Kiran SSC Junior Engineer Exam Electrical Guide-cum-practice work Book by Kiran Prakashan
7. Juniors Engineers Electrical Examination Guide: Electrical Engineering (Popular Master Guide) by RPH Editorial Board
8. SSC Junior Engineer Electrical Engineering Recruitment Exam Guide (English) by Disha Publication