Christian Mehrstam has produced a Booklet Version of Whitehack Second Edition that is being sold for $5 on Lulu. At the same time he is also running a sale one the established hardcovers of the game, selling the Standard Version hardcover for $10 and the Notebook Version hardcover for $15.
This Booklet Version has been enabled to allow overseas purchasers access to the game. There is currently no digital version of the game available, although many purchasers of the print edition have expressed interest in that being available.
Christian has also published an errata document for the second edition [PDF].