Pre-order pages for the ebook edition of Seven Shades of Evil from Open Road Media have started appearing on vendor sites. More will be added in the next couple of weeks.
Seven Shades of Evil for Kindle (Amazon US)
Seven Shades of Evil for Kindle (Amazon UK)
Seven Shades of Evil for Kindle (Amazon CA)
Seven Shades of Evil for NOOK at B&N
Seven Shades of Evil for Kobo (US)
Seven Shades of Evil for Kobo (CA)