Please answer the following question: Information:  - Science fiction (often shortened to SF, sci-fi or scifi) is a genre of speculative fiction, typically dealing with imaginative concepts such as futuristic science and technology, space travel, time travel, faster than light travel, parallel universes, and extraterrestrial life. Science fiction often explores the potential consequences of scientific and other innovations, and has been called a "literature of ideas." It usually avoids the supernatural, and unlike the related genre of fantasy, historically science fiction stories were intended to have a grounding in science-based fact or theory at the time the story was created, but this connection is now limited to hard science fiction.  - Laurence James (21 September 1942  9 or 10 February 2000) was a British science fiction writer, especially known for his involvement with the "Deathlands" series.  - James Axler is a house name used by the publishing company Gold Eagle Publishing, the action adventure series published by Harlequin Enterprises Ltd.  - Twilight Children is the twenty - first book in the series of Deathlands . It was written by Laurence James under the house name James Axler .    Given the information, choose the subject and object entities that have the relation of 'publisher'.
Answer:
twilight children , harlequin enterprises