They're the very first two publications for that "Fashionableý Pračlovek" collection (Fashionable Caveman). The most crucial idea was to stand for caveman drawings in a quite simple way and products which had been employed at that time... but also in our times. The very first 1 — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/page/2/