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 7739.93 Floor 3π

  Floor 3π is a non-integer floor located, so far as can be established, between Floor 9,011 and the landing above it, a span that the Aperture Survey h…

• MS 1471.91 Shelf Mark Λ-45

  Shelf Mark Λ-45 is a bibliographic designation of the Kappa Range, issued in perpetuity to the object or objects occupying the forty-fifth recess of t…

• MS 8436.55 Manifest Sigma-Ω (23 Nisan, Tower Year 4119)

  Manifest Sigma-Ω (23 Nisan, Tower Year 4119) designates the archival event — distinct from the document itself — by which Manifest Sigma-Ω entered the…

• MS 9100.42 Paradox Arbitration

  Paradox Arbitration is the class of arbitral proceeding convened to determine whether a matter is properly subject to a Paradox Designation and, if so…

• MS 9163.79 In re: The Clerk Henderson

  In re: The Clerk Henderson is the formal designation of a consolidated body of proceedings, spanning the years 3,140 to 3,912 by the Common Reckoning,…

• MS 6672.17 Primary State

  The Primary State is the condition under which a floor, holding, office, or artefact is held to exist in its own right, without derivation from any pr…

• MS 2894.21 The Autobiography of the First Librarian

  The Autobiography of the First Librarian is the foundational apocryphal document of the Tower, nominally a first-person account of the institution's o…

• MS 0291.34 West Consolidation Stacks

  The West Consolidation Stacks are a designation of shelving assembly, maintained under the custodial authority of the West Lateral Stacks, in which ma…

Readers in residence

• Everything I have looked for has been here. I have stopped being certain that this is a good sign.

  Reader 9,551 · Floor 6,803 · admitted 12,006 C.E.

• I recommend the Tower without reservation to anyone without fixed commitments.

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

Accounts are collected at admission. The Tower does not solicit them on departure.

Most frequently cited, never read

• 25 cites Anselm Vey
• 20 cites the Concordance of Seals
• 19 cites Scriptorium of the Ninth Landing
• 18 cites Office of Vertical Survey
• 17 cites Bureau of Recensions
• 15 cites Concordance Bench
• 15 cites Fifth Recension
• 14 cites Registry