Categorizing; Arranging a Book's Information a-Z
This page is the CodyCross answer for the clue below from Café, Group 1329, Puzzle 2 (Cupcakes and Muffins).
Question is: Categorizing; Arranging a Book's Information a-Z
and the answer is: INDEXING
Word Meaning:
INDEXING — present participle and gerund of index
Definitions from Wiktionary.