Padma Venkatraman’s books are available in multiple forms (e-book, audio book etc.) through major retailers and at bookstores worldwide. Below is a list of some online sites where you can order her books.
www.powells.com (the largest “independent chain of bookstores in the world”)
www.indiebound.com (order from an independent bookstore near you)
www.bookdepository.com (free shipping to several countries)