A Mutual Friend (short story)

A Mutual Friend was the fourth story in the Bernice Summerfield anthology A Life of Surprises. It was written by Terrance Dicks.

Summary
to be added 

Characters

 * Bernice Summerfield
 * Sarah Jane Smith

Continuity

 * Sarah Jane mentions the Doctor leaving her in TV: The Hand of Fear.
 * Sarah warns Benny not to go to Metebelis III if the Doctor ever offers. (TV: Planet of the Spiders)