The characters and some of the plot motifs are based on earlier works by the same author, particularly the play, Noctilucent Clouds, and the short story, Leon.
TITLES IN THE SERIES
2015 The High Frontier
2017 Distant Early Warning
2018 The Mediterranean Theatre
2019 Fallout
If you enjoyed these, you may also be interested in the Serge and Paul/Paula light mystery series.
