Twenty-five years ago, with Richter's Syndrome running rampant throughout the galaxy, the brilliant biochemist Nyssa, formerly of Traken, bade a painful farewell to her young family... and set off into the space, in search of a cure for this deadly disease. She never returned. Now, her grown-up son continues her work.
- Format: CD-Audio
- Publisher: Big Finish Productions Ltd
- Publication Date: 30/06/2013
- Category: Science fiction
- ISBN: 9781781780749