Here's the third cover for Iris WIldthyme Series 4. Pre-order the box set straight from Big Finish: [link]
This was the darkest story of the bunch, and was uniquely challenging since it deals with a lot of abstract, non-visual ideas. That said, I did manage to slip in some fun stuff that most people probably won't catch (like the source of inspiration for Iris's new costume): [link]
Here's the official blurb: A Lift In Time
Written by David Bryher
Ever get a tune stuck in your head? Annoying, isn't it? Especially when it transforms you into a mindless, murderous zombie. After years of righting wrongs and wronging rights, is the fat lady about to sing for Iris Wildthyme? As Panda becomes the next big thing and the bus is stolen by an insane artificial intelligence, Iris’s future finally catches up with her. Ding ding, going down...