Mercia

Mercia, Old Mercia, or the Kingdom of Mercia, is the central stage for The Lair of the White Worm. The setting of an ancient Mercia is introduced in Chapter 3. The neighboring estates of the main characters: Diana’s Grove, Salton’s Lesser Hill, the Castle of Castra Regis, and Mercy Farm, are all located in the ancient region of a forgotten pagan Kingdom. Castra Regis is the highest point of Mercia.

Real history
The real history of the Kingdom of Mercia, significant to the story, is that it was a kingdom in Central England, centred on the valley of the with its tributaries in the region now known as the. Mercia was originally a pagan kingdom, that converted to Christianity by the late 7th century.

Film adaption
The family of the two sisters whose parents had gone missing were the Trent family. They occupied Mercy Farm in The Lair of the White Worm (1988) film adaption.