• Best SF: 1968 as: Arets Bedste Science Fiction. Copenhagen: Steen Hasselbalchs, 1969, 249pp., pbk. Translated by Jannick Storm, Michael Tejn and Niels Erik Wille.

• One Step from Earth as: Ét Skridt fra Jorden. Frederiksberg: Science Fiction Cirklen, 1996, ISBN: 87-8766258-2. Translated by Klause Æ. Morgensen.

• Deathworld as: Dødens Verden. Copenhagen: Stig Vendekærs, 1967, 176pp. Translated by Frits Remar.

• Deathworld 2 as: Slavernes Verden. Copenhagen: Science Fiction Magasinets Klassiker Serie, 1978, 143pp., ISBN: 87-87757-00-1. Translated by Frits Remar.

• Make Room! Make Room! as: Gør Plads! Gør Plads! Copenhagen: Forlaget Notabene, 1973, 219pp., ISBN: 87-7490-055-2. Translated by Jannick Storm

SHORT STORIES

• "The Robot Who Wanted to Know" Ude & Hjemme, 1962.

• "The Streets of Ashkelon" in: Kaleidoskop 1, edited by Bent Irlov. Denmark: Forlaget Irlov-Regullis, 1975.