Contact & support
For questions about purchases, downloads or refunds, or if you find a mistake in a book, please email us. When reporting a mistake, include the book, the page number and the problem. To help us find your order quickly, include your order number (shown in your purchase email and on the download page) and your purchase email address.
Support email
The support email has not been published yet. It will be published here before the site opens for sales.
Things you can do yourself
- Can't find your purchase email, or the download link has expired? Try "Recover download link" first; usually you won't need to wait for a reply from a person.
- Please do not send card numbers or passwords by email. We will never ask you for this information.
Seller
To be confirmed