Carved stones collection of Professor Javier Cabrera
Links:
https://www.amazon.de/gp/product/1452602131/ref=as_li_ss_tl?ie=UTF8&linkCode=ll1&tag=wwwdanikencom-21&linkId=aa34931c684e9680b0ca0238d1b331ce&language=de_DE
https://www.kopp-verlag.de/?pn=966500