IBPSS PO has the section Quantitative Aptitude, Reasoning, English, General Awareness and Computer Knowledge, You can refer the following books for the exam preparation:

Best Books for IBPS PO - Quantitative Aptitude
Quantitative Aptitude- R.S.Aggarwal
Quantitative Aptitude Test- N.K.Singh
The Complete Success Package – Bank PO- Arihant Publications
Best Books for IBPS PO - Reasoning
Guide to Banking General Awareness- R.Gupta
Manohar Pandey Book- Arihant Publications
Verbal- Non Verbal Reasoning- R.S. Aggrawal
Best Books for IBPS PO - English
Essential English Grammar- Murphy
General English- R.S.Aggarwal
Best Books for IBPS PO - General Awareness
Guide to Banking General Awareness- R.Gupta
Manohar Pandey Book- Arihant Publications
Best Books for IBPS PO - Computer Knowledge
Objective Computer Knowledge & Literacy- Kiran Publication
Computer Awareness- Arihant Publication

Good Luck!