You can try out the following books for HR:
1. Monappa Arun and Saiyadain, Mirza - Personnel Management, Tata McGraw Hill Pub. Co. in
2. Venkataratnam C.C. and Shrivastav - Personnel Management & Human Resource Management
3. Storey, John - Managing Human Resource - Preparing for the 21st Century
These books help in understanding the basic concepts of HR.
For HRD:
1. Nadler, Leonard - Corporate Human Resource Development
2. Rao T.V and Pareek, Udai - Designing and Managing Human Resource Systems
For OB:
1. Luthans, Fred - Organisational Behaviour
2. Devis, Keith - Human Behaviour at Work, Tata McGraw Hill Pub. ND
3. Hersey, Paul and Blanchard, Keith - Management of Organisational Behaviour - Utilising Human Resources, Prentice Hall India