My dissertation book is available for free as a pdf here: https://trepo.tuni.fi/handle/10024/103315
If you want to cite my book, the full citation information is as follows:
Kultima, A. (2018). Game Design Praxiology. Acta Electronica Universitatis Tamperensis 1885. Tampere University Press.
I also printed several copies of my PhD dissertation in 2018. If you are more of a physical book reader, I am happy to send you one for free as long as you cover the expenses of shipping (one price for anywhere in the world). Fill your details here and pay the 20 eur at paypal.me/akultima.