"Armand gently separated the black cube into two parts revealing a round stone with a hole in it, rather like a donut. On either side of this stone were inscriptions impressed in a style like cuneiform.

"Gene ran his fingers over them and noticed that on the periphery of the stone a snake was raised, encircling the entire wheel and biting its tail on one side."

-- Glimpses, A.A. Attanasio