Hi Raghu,
I am not sure on right book, but to know the SAP MM functionality below links will helps you a lot.
Reg the Q&A you can search in web there are lot many sites to get required info.
help.sap.com
https://help.sap.com/saphelp_47x200/helpdata/en/9c/df293581dc1f79e10000009b38f889/frameset.htm
Regards,
N.S.Rao