Original printer: http://www.kirjaboek.nl ...

Reseller: http://www.bol.com/ (They say it is a hard-cover, but i have no confirmation of that being accurate, so don't blame me if it is a soft-cover.)

You could print and distribute it too if you like. Go to free PDF downloads: here

This books as it is sold does not have the latest (few) changes, see: ../gratis/Notice.html about these changes. Hopefully a later version (#2) of this book will contain them.