By highlighting the interplay between esotericism, conspiracy theory, and fandom, Cypher Culture examines how marginalized and embattled groups learn to read cultural texts for hidden meanings in hostile environments. Drawing on Leo Strauss's theory of esotericism, Joseph Packer and Ethan Stoneman argue that "reading between the lines" has moved from classical philosophy into popular culture, where queer fandoms, political extremists, and others uncover whispered messages in mass media. The result is a shared interpretive practice with radically different ethical and political consequences. Cypher Culture presents a series of case studies capturing a wide spectrum of esoteric fandom, from interpretations of Shakespeare and Disney to analyses of Taylor Swift, The Dark Knight trilogy of Batman films, and the QAnon phenomenon. Exploring the ways groups interact with these texts helps uncover the dynamics of fan culture and its political dimensions. The book's focus on the interplay of scene, surface, and receiver provides a nuanced framework for understanding how esoteric interpretations take hold and circulate within fan communities, particularly online. Pairing close readings of popular media with cultural analyses of their dedicated communities of esoteric readers, Cypher Culture diagnoses the stylistic, contextual, and authorial elements of a text that invite esoteric interpretations. This approach goes beyond traditional views of esotericism, as formulated by Strauss, demonstrating its evolution in the digital age as not just an authorial strategy but a hermeneutic lens through which fans interpret popular culture.