Enemy in the dark /

by Mahr, Kurt
Published 1975

To Arkon! /

by Mahr, Kurt
Published 1973

The Venus trap /

by Mahr, Kurt
Published 1972

Wonderflower of Utik /

by Mahr, Kurt
Published 1976

The planet of the dying sun /

by Mahr, Kurt
Published 1972

Return from the void /

by Mahr, Kurt
Published 1974

Solar assassins /

by Mahr, Kurt
Published 1974

Venus in danger /

by Mahr, Kurt
Published 1972

Unknown sector: Milky Way /

by Mahr, Kurt
Published 1974

Renegades of the future /

by Mahr, Kurt
Published 1975

The silence of Gom /

by Mahr, Kurt
Published 1974

The guardians /

by Mahr, Kurt
Published 1974

The idol from Passa /

by Mahr, Kurt
Published 1976

Menace of the mutant master /

by Mahr, Kurt
Published 1972

Peril on ice planet /

by Mahr, Kurt
Published 1973

The atom hell of Grautier /

by Mahr, Kurt
Published 1975

Death waits in semispace /

by Mahr, Kurt
Published 1975

Caves of the Druufs /

by Mahr, Kurt
Published 1975

The ghosts of Gol /

by Mahr, Kurt
Published 1971

The fleet of the springers /

by Mahr, Kurt
Published 1973