This is the fourth DC Gary Goodhew story. They all read well as standalones but if you want to start at the beginning with [[Cambridge Blue by Alison Bruce|Cambridge Blue]].
[[Alison Bruce's DC Gary Goodhew Novels in Chronological Order]] {{amazontext|amazon=1849012032}} {{waterstonestextamazonUStext|waterstonesamazon=8865746B0070TRH46}}