Hachette Book Group will start selling books straight from tweets, though it can’t be labeled more than an experiment for now: The publisher has partnered with digital distributor Gumroad to sell three gifty print books “for a limited time and in limited quantities” via the books’ authors’ tweets.

The print titles are Amanda Palmer’s The Art of Asking (starting December 11), Chris Hadfield’s You Are Here (starting December 15) and The Onion’s The Onion Magazine: The Iconic Covers that Transformed an Undeserving World (starting December 18). Each book sold will be accompanied by “an exclusive bonus item” — in the case of The Onion’s book, for instance, it’s a set of notecards.

“With so much of our book marketing done socially now, in-stream [company]Twitter[/company] purchasing is a natural next step,” Michael Pietsch, Hachette Book Group CEO, said in a statement.

Here’s an example from another Gumroad partnership that shows what this will look…