A novelisation of this serial, written by William Emms, was published by Target Books in November 1985, entitled Galaxy Four.
The script of this serial was published by Titan Books in July 1994, edited by John McElroy, here entitled Galaxy 4. At the time of printing, the only audio recording known to exist was a poor quality copy of the second episode "Trap of Steel" which had several parts completely inaudible.
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