Books :

High School English Grammar and Composition by Wren & Martin

A Practical English Grammar by Thomson and Martinet.

Navneet English Kumarbharati Grammar Std X.

Practical English Grammar  - Thomson & Martinet

Websites :

http://esl.about.com/library/weekly/aa112601a.htm

http://www.chompchomp.com/terms/preposition.htm