Going to be released by tonight.. It is available at :
Apple (operates iBooks stores in 51 countries),
Barnes & Noble (US and UK),
Scribd, Oyster, Kobo, Yuzu, Blio and Inktera (formerly Page Foundry).
OverDrive (world’s largest library ebook platform serving 20,000+ libraries), …
Baker & Taylor Axis 360, Tolino, Gardners (Askews & Holts and Browns Books for Students), and Odilo (2,100 public libraries in North America, South America and Europe).
[ It is also will be available on Amazon Kindle platform]