Darren Baker takes a look at 'Combat Vehicles of World War Two 1, Modelling Guide by Joaquin Gercia Gazquez' which would seem to be the first in a line of books from the company and possibly the same author.
This is partial text from the full article (usually with photos) at https://armorama.com/news/combat-vehicles-of-world-war-two-1-modelling-guide-by-joaquin-gercia-gazquez