Sue Hampton

 wrote several stories for the Lethbridge-Stewart and The Lucy Wilson Mysteries series.

The Lucy Wilson Mysteries

 * Avatars of the Intelligence

Lethbridge-Stewart

 * In His Kiss (in The HAVOC Files 2)
 * Lucy Wilson (in The HAVOC Files 3)

The Lucy Wilson Mysteries

 * The Llanfairfach Rebellion (in Back in London)