Ljubav na matematički

Arka - Čudesni svijet na granici nauke #50, 1989/XII

Arka - Čudesni svijet na granici nauke #56, 1990/III

#56: Tajna Šeherezadinih priča, Bahova terapija, Godina gvozdenog konja

Ciklus svemirskih katastrofa: Potopi, požari i skapavanja u povijesti civilizacije

The book is the most readable and complete overview of the evidence that human civilization has already been nearly wiped out of the universe once – and that such cycles may repeat themselves every few tens of thousands of years.

Uništenje Atlantide: Uvjerljiv dokaz o iznenadnoj propasti legendarne civilizacije

Frank Joseph (real name Francis Joseph Collin) presents in this book the most comprehensive modern defense of Plato's Atlantis as a real historical civilization that disappeared in a catastrophe around 1628–1600 BC.

Arka - Čudesni svijet na granici nauke #55, 1990/III

Prije faraona: Tajanstvena pretpovijest Egipta

American researcher Edward Malkowski claims in his book Before the Pharaohs that Egyptian civilization is the successor to a much older, more technologically advanced culture that existed at least 10–12 thousand years before the dynastic period.