They Are the very first two publications with the "Fashionableý Pračlovek" sequence (Fashionable Caveman). The principle concept was to represent caveman drawings in a very quite simple way and products that had been used at that time... but also within our days. The main 1 — “Kuchyňa Pračloveka” (Caveman's Kitchen) https://maplepublishers.com/blog/what-immediate-services-you-need-for-self-publishing-a-book/