8 holdings are shelved on this floor. A shared floor records where volumes sit and nothing about what any of them says; these are neighbours, not relations.

• MS 7284.48 Directorate of Luminous Records
• MS 2895.99 Echobeings

  Echobeings are a class of acoustic residuum permitted to propagate within designated spiral stairwells and ventilation shafts of the Tower, …

• MS 9500.22 Material Coherence

  Material Coherence is the measured property by which a substance, structure, or claim is held to belong to the Tower rather than merely to o…

• MS 3824.66 Register of Prior Effects
• MS 3618.69 Reverse Temporal Causality

  Reverse Temporal Causality, also known as Retro-Causality or Backward Causation, is a class of documented phenomena within The Tower wherein…

• MS 8148.89 Standing Committee on Shelf Order
• MS 5380.93 The Limits of Material Conjuration

  The Limits of Material Conjuration is the collective designation for the body of rulings, annexes, and commentary that determine where an ac…

• MS 5703.14 The Rite of Seasonal Revision