books for the exam of bank probationary officer

pls hlp me.........

the syllabus & the subjects for the exam of "bank probationary officer" of almost all the banks are same.

so, pls tell me who have experienxe/who has given the exam of bank probationary officer/who knows that :

from where can I get this book?which author's book is the famous one? which is the best book for the exam?How is the cost of the book?whether the book includes all the subjects of the exam or not or at least 2/3 subjects are included?

as per my knowledge, the subjects are as follows:

english, marketing aptitude, social science & banking awareness, tests of reasoning,quantitative aptitude test

plsssssssssssssssss helpppppppppppppppppppp me, its very very very urgent

thanks in advance