These are the main two publications for that "Modern-dayý Pračlovek" series (Contemporary Caveman). The principle plan was to stand for caveman drawings inside of a very simple way and items that were applied at that time... but will also inside our times. The very first one particular — “Kuchyňa Pračloveka” https://maplepublishers.com/blog/how-to-start-your-self-publishing-endeavour/