Find and Replace (Doctor Who audio)

Find and Replace is a Big Finish Productions audiobook based on the long-running British science fiction television series Doctor Who. In it, Katy Manning reprises her role as Jo Grant from the television series, and Iris Wildthyme from the Big Finish audio series.
The Companion Chronicles "talking books" are each narrated by one of the Doctor's companions and feature a second, guest-star voice along with music and sound effects.
Plot
In a department store lift at Christmas, Jo Grant meets a strange-looking alien named Huxley. He tells her about her past, back in the 1970s, working at MIAOW with a mysterious alien known as Iris Wildthyme. This isn't quite how Jo remembers things. So Iris Wildthyme herself takes them back in time to ask the Third Doctor.
Cast

Jo Grant / Iris Wildthyme - Katy Manning
Huxley - Alex Lowe

Reception
Reviewer Richard McGinlay praises Katy Manning...