Suggest me some viva voce books based in electrical engineering?

I just completed my graduation . I need some good viva books based on electrical engineering job preparation. Any suggestion ?

Try out http:Free Professional and Technical Research Library of White Papers

But I don’t really think you need to be really smart to get the job. In some sense, it’s who you know rather than what you know.

I think it depends whether you can walk the talk in a positive light. Since anyone can apply.