You can order the German book "Power Backpack".
We can send one or two books (within Austria) for free.
For that, write us an email at: firstname.lastname@example.org
Or you can call us: +431/ 714 39 39 (Verein Ninlil)
For more than two books or for shipment to other countries,
we will bill you for the shipment.
Just send us an e-mail and we will let you know how much that costs.