The Book of Pictures itself is influenced by Ancient Egyptian thinking which was known until Greek - Roman times .
Ancient Egyptian thinking is its iconography showing relations to pharaonic iconography and having motifs paralleling Egpytian books of the underworld like Amduat .
The Book of Pictures itself is influenced by Ancient Egyptian thinking , its iconography showing relations to pharaonic iconography and having motifs paralleling Egpytian books of the underworld like Amduat , which was known until Greek - Roman times .