The Lady of the Green Kirtle, also called Queen of Underland and Queen of the Deep Realm, is the main antagonist in The Silver Chair by C. S. Lewis.
Debut authors for Underland Press included: Bram Stoker Award winner Kealan Patrick Burke, Edgar Award and International Horror Guild Award nominee Brian Evenson, Two-time World Fantasy Award winner Jeff VanderMeer, multiple award winner Will Elliott, and husband and wife writing team Berry Verhoef and Esther Verhoef writing as "EScoBER".
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Kealan Patrick Burke's online-only interactive Wovel, The Living debuted June 1, 2008 on the official Underland Press website.