The bookstore operator said it will separate its retail unit from its Nook Media business.
The service was already available in the US, and allows aspiring authors to publish their own books and sell them through the Nook platform.
It looks like the Nook Windows 8 app may be superseded by a Microsoft reading app. But the planned Nook Windows Phone app is seemingly tabled.
Barnes & Noble's Nook division has a rough fiscal third quarter. However, the bookseller hopes to reverse the decline with the launch of a new Nook color device later this year.
The offer is billed as temporary, but suggests Barnes & Noble's Kindle-fighting slates aren't selling well.
For as little as $9.99, you can breathe new life into an old Nook tablet. Of course, there's always the free DIY option.
The bookseller's Nook business generates $125 million for the nine-week holiday period -- a 60.5 percent decrease compared to last year.
In a Mother's Day sale, you can pick up the Nook HD and Nook HD+ for as low as $149 and $179, respectively.
The bookseller's devices and e-books business blames "lower average selling prices and lower device unit sales" for a more than 32 percent decrease in revenue during its fiscal second quarter.
Barnes & Noble has released its Nook app for Windows 8 in 31 countries outside the US.