http://www.hushbabies.com/category/buy2-get2-books.html Offer:- Buy 4 books and pay only for 2 Buy 8 books and pay only for 4 Buy 12 Books and pay only for 6 Add minimum 4 books to cart (You will get 2 books free which are lowest in price) NOTE: Make cart Rs.399 to avoid shipping charges....