These Are the primary two publications to the "Contemporaryý Pračlovek" collection (Contemporary Caveman). The leading notion was to depict caveman drawings in a quite simple way and products which had been applied at that time... but also within our times. The main one particular — “Kuchyňa Pračloveka” (Caveman's Kitchen) — https://maplepublishers.com/author-portal/login.php