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Book Sorting Basics

A book is correct only when it is in the right category section and in the right same-title volume row. A title row can go on any shelf tier inside that section; alphabetical order is not the rule.

StateWhat it meansWhy it matters
PlacedThe book is physically on a shelf somewhere.This can satisfy bad-ending routing, but it does not finish a correct row.
Correctly placedThe book is in the correct shelf section, grouped with the same title, and ordered with its volumes.This is required for normal completion, Efficiency Librarian, and Anti-Magic Master.
Correct category, wrong rowThe title belongs to that section but the volume grouping, volume order, or row choice is wrong.Fix it immediately; late cleanup is much harder once more books surround it.
Wrong categoryThe shelf section theme is wrong.Use Books or Shelf Guide on a normal run.
  • Find the book title under your crosshair.
  • Use the book index or the title theme to pick the shelf section.
  • Put every volume of the same title together.
  • Order the volumes left to right.
  • Watch for gold/red placement feedback and blue completion plaques.
MistakeWhy it failsFix
Correct category, wrong row orderThe game still treats the row as wrong.Reorder the volumes left to right.
Same title split across tiersA title row needs to stay together.Move the split volumes into one row.
Theme guess from one wordSome titles can sound like multiple categories.Search the exact title in Books.
Ignoring red glowYou lose track of the bad placement.Fix red placements immediately.
Testing every category by walking the whole libraryIt is slow and easy to forget where earlier volumes were placed.Work from exact title lookup, color clusters, or a known section batch instead.
  • With the HUD hidden, book covers and spines matter more than the top-left title label.
  • Use Zoom to read awkward covers before dropping or throwing books around.
  • Keep same-title books together in a temporary local pile until you know the section.
  • For a first clear, keep the HUD on; no-HUD is a self-imposed challenge, not the easiest route.