Earlier today we learned that Barnes & Noble and Samsung were teaming up for a tablet called the Galaxy Tab 4 Nook. It will be a Nook-branded tablet based off the 7-inch version of the Galaxy Tab 4. In an SEC filing, we’ve also just learned that Barnes & Noble will will purchase a minimum of one million tablets. That’s a lot of tablets. We gleamed a few more details about the upcoming project as well, so read on past the break for more details.