The Queen of Charn

Was anyone else fascinated with the world of Charn mentioned in C.S. Lewis’s The Magician’s Nephew? The exercise below is the beginning of my search for answers.
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Any word of the Traitor? No, my liege, quipped Captain Tibor.

She was not worried—the Queen of Charn did not worry. She was its head, its heart, its song, a constant rhythm in a sea of progress and promise. The kingdom had blossomed under her rule; at least, that's what the Loyalists assured her. Besides her father has been too old and too preoccupied with his pearls and string of lovers to bring the kingdom into its golden age. He didn't feel a thing when she split his throat in the middle of the night. This was, of course, the way of Charn.

Find her.