They're the first two publications for the "Modern-dayý Pračlovek" series (Modern day Caveman). The principle strategy was to depict caveman drawings in a quite simple way and products which were employed at that time... but will also inside our times. The primary a person — “Kuchyňa Pračloveka” (Caveman's Kitchen area) https://maplepublishers.com/blog/popular-self-publishing-trends-of-this-year/