5 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 2236.22 Ordinance of Environmental Control
• MS 4169.01 Scriptorium of the Ninth Ascension
• MS 9725.07 Spire 12
• MS 4367.78 the Silent Lexicon
• MS 2389.60 The Volatile Edition

  The Volatile Edition is the informal designation for any printed recension of a Tower codex whose text does not remain fixed between reading…