Orbit
Orbit is a publishing house or imprint.
Also recorded as Orbit Books.
In detail
Recorded constituent parts are Orbit.
The record gives 1974 as its date of establishment or first appearance.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Orbit Books”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q3355196: Orbit
Consult the source