They are the 1st two publications to the "Moderný Pračlovek" series (Contemporary Caveman). The most crucial plan was to characterize caveman drawings inside a quite simple way and products which ended up utilized at that time... and also in our days. The initial one — “Kuchyňa Pračloveka” (Caveman's Kitchen) — https://maplepublishers.com/blog/what-services-do-london-self-book-publishers-provide-to-authors/