They are the initial two publications with the "Fashionableý Pračlovek" collection (Fashionable Caveman). The principle plan was to stand for caveman drawings inside of a quite simple way and items that have been employed at that time... but will also inside our days. The very first one — “Kuchyňa Pračloveka” https://maplepublishers.com/blog/category/blog/page/3/