I made a small mistake actually the images are mostly taken from book covers😅😅
I leave you the sources:
"The Venetian Court" by Charles harness, "Rifts Sourcebook 1" and a book called "Rischio calcolato" which has a different cover in the English version

If you were looking for science fiction magazines to take inspiration from, i recommend you
astounding science fiction, Byte, analog and galaxy magazines.
They got wonderful illustrations!🔥