We're really sorry to hear you're having trouble making a purchase. Usually the process just works, but occasionally things do go wrong.

Sometimes the problem is not under our control, but even in those cases, we have had experience helping many people over the years, and so we've prepared this article to provide you with some guidance, to help you resolve your issue as quickly and easily as possible, even if it's not something we can fix ourselves.

Below is a list of detailed articles from our Help Center, with explanations of some problems we have heard about before, and what you can do to solve them.

If you don't see your problem in this list, please search this Help Center for more articles. You will almost certainly find something relevant here, and get an instant answer to your problem, because whenever we learn about a problem, we try to share the solution here.

http://help.leanpub.com/en/articles/1682449-i-m-trying-to-buy-a-book-and-i-see-this-transaction-cannot-be-processed

http://help.leanpub.com/en/articles/357254-i-tried-to-buy-a-book-and-was-taken-to-a-screen-that-said-you-would-send-me-a-token-by-email-why-is-this-happening-and-what-should-i-do-next

http://help.leanpub.com/en/articles/2271607-i-m-trying-to-make-a-purchase-and-i-am-seeing-the-message-transaction-refused-due-to-risk-model-what-can-i-do

http://help.leanpub.com/en/articles/117489-i-need-to-add-company-information-to-my-receipt-how-do-i-do-that

http://help.leanpub.com/en/articles/505318-leanpub-is-saying-my-vat-number-is-invalid-why

http://help.leanpub.com/en/articles/110768-what-should-i-do-if-i-can-t-find-an-answer-to-my-question-in-this-help-center