Michael Moorcock is often described as “one of the most prolific and varied writers working in Britain” (Malcolm 146). His success as a writer and editor of science fiction and fantasy literature is well established, but he is also the author of two novels about London, Mother London (1988) and King of the City (2000). Hardly known, Mother London by Michael Moorcock, offers itself to a variety of approaches that have been widely discussed in the context of studies on English literature during the Thatcher years, post-modernism, and psycho-geography. The novel resonates with the author’s own childhood in war-time London without being autobiographical. It tells the story of three Londoners who were traumatised during the Blitz. The following article focuses on the mysteries of subterranean London that represents the hidden and unconscious identities of its inhabitants in the post-war period.