The printed book can be purchased from Lulu, or on Amazon (UK, USA, Germany, Sweden) and from other online retailers.
You can purchse the Ebook on Amazon (UK, USA, Australia, Canada, Germany) or from other online retail sites.
The printed book should cost about €13.00/US$15.00/£11.00.
For some reason, Amazon Germany has upped the price to over €17.00, so I recommend ordering the printed book for €13.00 from E-Bay, postage free, if you live in Germany.