micro universes

The Girl in the Golden Atom – humans are reduced to the size of the atom, finding a whole new universe in the diminutive scale.

The Artificial Man and Other Stories – two stories of ambitious men attempting to become more than human and three stories regarding the nature of time.

The Menace of Mars and Other Stories is a collection of 3 novelettes by Clare Winger Harris, writer of mystical science fiction of universes within universes.