This time of darkness

By H. M. Helen Mary Hoover

Although both know it is forbidden, Amy and Axel hope that by following the countless ramps leading upward they can escape from their filthy subterranean world.

Children of Morrow

By H. M. Helen Mary Hoover

After an unfortunate murder two telepathic children, members of a primitive civilization, are led to escape by a friendly, unseen voice.

Orvis

By H. M. Helen Mary Hoover

On an Earth that has become an inhospitable wilderness, Toby and her friend Thaddeus find themselves lost in "the empty" with Orvis, an obsolete robot who is their only hope of protection and escape.

The lost star

By H. M. Helen Mary Hoover

While on an archaeological expedition to Balthor, a young astrophysicist stumbles upon the Lumpies, gray smiling creatures with a strange secret.

The Delikon

By H. M. Helen Mary Hoover

Many generations after the Delikons have conquered and reordered Earth, their system of power and organization begins to crumble.

Return to earth

By H. M. Helen Mary Hoover

In a future world a diplomat returns to Earth to retire and finds himself involved in political intrigue and a disquieting friendship with a young girl.

The Shepherd Moon

By H. M. Helen Mary Hoover

When a colonist from a forgotten artificial moon returns to Earth, thirteen-year-old Merry and her grandfather must battle to save their culture from the visitor's strange powers.

Journey Through the Empty

By H. M. Helen Mary Hoover

Delikon

By H. M. Helen Mary Hoover

Return to Earth

By H. M. Helen Mary Hoover