[5] In 2017 Alanson wrote a standalone novella called Trouble in Paradise, expanding on the events that take place between books three and four in the ExForce series.
The novella laid the foundations for a short spin-off series set within the same fictional universe, entitled Mavericks.
[11] The audiobook for the twelfth novel in the series, Breakaway, debuted at number one on Audible for audio fiction and reached No.
[12][2] The thirteenth book in series, Fallout, also debuted at number one on Audible for audio fiction when it was released in December 2021,[13] and reached No.
[1][15] In June 2022, Alanson announced on an AMA Reddit that while the ExForce series will officially end after book 15, he will write at least one additional novella set in the same fictional universe.
[1] He moved to Gainesville, Virginia to work on defense contracts with United, which gave him exposure to the military jargon and concepts he would later use in his novels.
Unlike many military science fiction stories, the Expeditionary Force novels include a considerable amount of comedy, especially (though not entirely limited to) the many comic interactions between long-suffering Joe Bishop and practical joker Skippy.