These are definitely the main two publications with the "Moderný Pračlovek" collection (Present day Caveman). The main strategy was to symbolize caveman drawings in a very simple way and items that were applied at that time... but will also in our days. The main a single — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/4-mandatory-services-you-need-before-self-publishing-a-book/