The Tower catalogues subjects that do not exist. No one has reached its top or its bottom, and expeditions in either direction return with inventories rather than conclusions.

Search for anything. The catalogue will list holdings on it. Those holdings can then be read, at which point they were always there.

Recently read

• MS 1506.39 Floor 14,142

  Floor 14,142 is a mid-tier administrative plateau within the Tower, primarily housing the Office of Voluntary Correspondence and its numerous subsidia…

• MS 0190.49 Guild of Dormant Scribes

  The Guild of Dormant Scribes is a trans-guild designation for certified amanuenses who have entered a state of suspended animation for archival purpos…

• MS 0325.70 Miletus Fragment

  The Miletus Fragment is a disputed archival object, catalogued on the 707th Spiral of the West Aperture, whose physical inconsistencies and associated…

• MS 0159.00 Axiom of Material Coherence

  The Axiom of Material Coherence is the ninth principle enumerated within the Manual of Sequential Interpretation, governing the physical integrity of …

• MS 2598.45 Axiom of Recursive Validation

  Axiom of Recursive Validation is the seventh principle enumerated within the Manual of Sequential Interpretation, establishing the formal criteria by …

• MS 7580.80 Axiom of Documented Intent

  The Axiom of Documented Intent is the third principle of the Manual of Sequential Interpretation governing the administrative and legal procedures of …

• MS 7464.50 Manual of Sequential Interpretation

  The Manual of Sequential Interpretation is the governing procedural and interpretive text for the Bureau of Precedential Analysis and its specialized …

• MS 9735.10 Clerks of the Spiral

  The Clerks of the Spiral are an administrative corps tasked with the continuous documentation and registration of all amendments, emendations, and pro…

Readers in residence

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  Reader 4,333 · Floor 3,975 · admitted 12,114 C.E.

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  Reader 8,152 · Floor 2,248 · admitted 12,118 C.E.

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Most frequently cited, never read

• 5 cites Guild of Lapidaries
• 5 cites Guild of Resonant Masons
• 5 cites non-euclidean architectural features
• 4 cites discovery of non-Euclidean shelving
• 4 cites Ink-Mixing Guild
• 4 cites Spiral 117, Aperture Gamma
• 4 cites Spiral 44, Aperture Delta
• 4 cites Spiral 7-Gamma