GuideLines(1)SelectTheBooksClicking'Add to Cart'AddAllBooksInTheSAME CART (2)Click'Cart(...)',then(3)Click'ViewCart' under it,(4)Select Number of Copies for Each Book,(5) Ckick'Next'and fill Billing details,(6) Click'Next'..fill Shipping details,(7)Click'Next' and..fill Payment details THANK YOU