These are typically the 1st two publications for that "Fashionableý Pračlovek" series (Fashionable Caveman). The most crucial concept was to characterize caveman drawings inside of a very simple way and products that have been applied at that time... and also in our days. The very first 1 — “Kuchyňa Pračloveka” https://maplepublishers.com/blog/why-opt-for-self-publishing-is-it-only-for-creative-independence-or-something-more/