Choose Your Difficulty
How well do you know Library of Congress call numbers?
Easy
4 books, broad class letter ranges, teaching nudges, simple cutter differences
Medium
5 books, similar subclasses, cutter ties, one free teaching hint each round
Hard
6 books, near-identical LC call numbers, multiple cutters and years matter, tighter scoring
Unshelved cart
Shelf order
LC order
Class
Number
Cutter
Year
Read left to right, compare one tie-breaker at a time.
