The Scales of Injustice is a Virgin Missing Adventures original novel written by Gary Russell based on the long-running British science fiction television series Doctor Who.

The Doctor suspects Silurians are afoot when a child goes missing in a seaside community, a policewoman begins drawing cave paintings, and the employees at the mysterious Glasshouse project are desperate to hide something.

Meanwhile, his assistant Liz Shaw teams up with a journalist to search for people who don't exist, and Brigadier Lethbridge Stewart copes with personal and UNIT crises.

This novel begins a trilogy concerning the Pale Man and the Irish Twins which continues in Russell's two Past Doctor Adventures Business Unusual and Instruments of Darkness.

In the television series her final appearance was in the last episode of Inferno, but she is not seen to leave the Doctor.