Question

what are special features in books that help readers locate information?
safety - related cautions and warnings
drawings and photographs
dictionaries and encyclopedias
tables of content, indexes, and glossaries

Explanation:

Tables of content list chapter - by - chapter organization, indexes help find specific terms, and glossaries define key terms. These all aid in information - location. Safety - related cautions are for warnings, drawings/photographs are for illustration, and dictionaries/encyclopedias are types of reference works, not features within a single book for location as directly as the others.

Answer:

tables of content, indexes, and glossaries