These are generally the first two publications for that "Modern-dayý Pračlovek" series (Modern Caveman). The leading notion was to depict caveman drawings in the very simple way and products which have been utilised at that time... but will also inside our days. The very first one — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/why-opt-for-self-publishing-is-it-only-for-creative-independence-or-something-more/