Book Suggestion

Book Suggestion urgent

Hi guys I dont know if I m posting at the right place but can some one suggest a good book to study Hydraulic , pneumatic & electro pneumatic circuits
I just wanna learn the basics( direction control valves , solenoids etc) basic circuits
things like meter in ,meter out etc............signals , delays etc.........
it's really urgent and I need good book available in INdia( or still better an E-book on net) which follows standard notations and symbols
plz it's urgent
Thanx in advance