Big Finish have released the cover art and some more details for the next UNIT audio boxset. “UNIT: Incursions” features Alex Kingston as River Song.
There will be three stories in the set:
This Sleep of Death by Jonathan Morris
Tempest by Lisa McMullin
The Power of River Song (a two-part story) by Guy Adams
The release date is currently April 2019 and you can pre-order on CD (£23) and Digital (£20) at the Big Finish website.