René Guénon's "Theosophy" critically examines the modern esoteric movement, tracing its origins and analyzing its deviation from traditional spiritual doctrines. Guénon, a noted traditionalist philosopher, draws upon extensive knowledge of comparative religion and metaphysics to dissect the intellectual and spiritual shortcomings of the Theosophical Society and its prominent figures. The book argues that Theosophy, despite its claims, represents a superficial and often contradictory interpretation of ancient wisdom traditions, failing to provide genuine spiritual realization.

René Guénon's "Theosophy" is regarded by scholars of esotericism as a rigorous and often polemical critique of the modern Theosophical movement. The work is noted for its deep engagement with comparative religion and its adherence to a traditionalist philosophical framework. While its arguments are considered formidable within certain intellectual circles, its critical stance has also made it a subject of debate among followers of Theosophy. The book's dense philosophical analysis positions it as a text for serious students of esoteric traditions rather than a general introduction.