The Third Doctor Adventures: Volume 05 (Guy Adams, John Dorney) 

05/2019 Big Finish Productions UK
5 CD set. Starring Tim Treloar and Katy Manning.
5.1 Primord by John Dorney
5.2 The Scream of Ghosts by Guy Adams
REF: ISBN: 978-1-78703-796-0
OP: £29.99 CD