Don't Lie To Me just went live on the US and UK Amazon websites! Nook will follow shortly, and you can pre-order on kobo, but it will be live at the same link tomorrow.
Thank you so much for your support!
Here are the links for amazon in the US and UK.
Kobo: (isn't live yet, but you can preorder it now and it'll be available tomorrow...same link) http://bit.ly/18Zxuor