These are typically the first two publications for that "Moderný Pračlovek" series (Present day Caveman). The key idea was to symbolize caveman drawings inside a quite simple way and products which were being applied at that time... but also inside our days. The first a person — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/why-should-you-trust-maple-publishers-to-publish-your-next-book/