Gift cards and store credit are not compatible with our current payment system configuration.
Currently gift cards and store credit can only be used to purchase physical books. However, we hope to be able to allow the use of gift cards and store credit to purchase ebooks in the future.
Promotional codes are not allowed to be used towards Ebook purchases, as the publisher sets the price for an Ebooks.
Also, discount promotional codes are not allowed by ebook publishers to be used towards ebook purchases, as the publishers exclusively set the prices for ebooks.
Please note, eBook prices, particularly for sales and promotions, can change frequently and we cannot guarantee a specific price. See more information here.