An index helps readers locate subjects that may appear in several parts of a book. Careful edi choose use terms a connect rel entries s readers c follow diff routes thr information wit knowing ev expression used by the author. A reader looking for a broad topic may need a more specific term before finding the relevant discussion. Cross references can provide that connection. Making an index therefore involves understanding both the text and the questions people are likely to bring to it. It is more than listing every word that occurs.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.