Tony and Chelsea Northrup are giving away a digital photography eBook for free

To celebrate hitting one million YouTube subscribers, well know photography bloggers Tony and Chelsea Northrup are giving away their Stunning Digital Photography eBook, valued at $10US, for free. 

If you're interested, there's also a competition associated with the promotion, but it is not necessary to take part to obtain the eBook.

To get a copy in either PDF, EPUB or Mobi, you can click here and scroll down.