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 8645.46 Unpromulgated Edicts

  The Unpromulgated Edicts are a body of instruments held to be in force but never read aloud, sealed under Concordance 9 and administered jointly, and …

• MS 7225.35 SilentĠChoir

  The term SilentĠChoir is the standard catalogue form for the class of silent choral holdings whose designations were, at an undetermined date before t…

• MS 2758.99 Certification Block

  The Certification Block is the term given, in the administrative shorthand of the Certification of Non-Interference, to any deliberately withheld cert…

• MS 9567.44 Routing Instructions

  Routing Instructions are the standing written directions by which a Routing is executed: the enumeration of apertures, waypoints, holds, and release c…

• MS 2024.22 Saltggrottoes

  Saltggrottoes are the hollow, salt-cemented voids that form beneath the flagstones of the Tower's middle floors wherever mortar has failed and the see…

• MS 2661.82 The Principle of Procedural Primacy

  The Principle of Procedural Primacy is the foundational doctrinal claim that procedure, and not the object or event it records, constitutes the primar…

• MS 3259.65 Manifest Sigma-Ω

  Manifest Sigma-Ω, registered in the general ledger as Transit Manifest Σ-Ω and known almost universally as The Final Prohibition, is the bulkiest Stat…

• MS 3905.77 CommitteeĠforĠNon-IntersectingĠJurisdictions

  The Committee for Non-Intersecting Jurisdictions is a standing sub-body of the Committee for Ontological Review, and is the parent body of the Chrono-…

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

• 20 cites Second Recension
• 17 cites Concordance 61
• 16 cites Office of Recensions
• 15 cites Concordance III
• 15 cites Fourth Recension
• 15 cites Office of Resonant Verification
• 14 cites Doctrine of Coincidental Authority
• 13 cites Cartographer-Surveyor Guild