hi, Aparna i think Barron's is great book, and there is no big changes make in this book for the last two years. i am living in the NC USA too. i want to give my toefl exam in summer, but my writing is very weak. can you tell me where did you take the classes.i am looking for the toefl classes,is there any good english learning center. can you help me with this please.thank you.