Photographs and Illustrations
The reason authors add photographs and illustrations because they want to give you visual idea of what something or someone looked like.
Captions and Labels
Authors put captions and labels in because they want you to what is happening and what something is or who the person is.
Maps
The authors puts maps in to show were something is in the world.
Introductions
An introduction tells you a little information on the section your about to read.
Headings
Authors put headings in to tell you what the section is about.
Subheadings
Subheadings are used to tell you what the phew paragraphs are about.
Types of Print
Different types of print are used to express feeling in a word.
Timeline
A timeline is used to show what happened over a number of years.
Bibliography
Authors use Bibliography to tell you some books or websites to more information.
Inserts and Sidebars
Inserts and side bars are used to give fun facts about something in that time period.
Index
The index is used to tell were something specific is in the book.
Table of Contents
The table of contents tells you the chapters or sections in the book and the pages they're on.
Diagrams and Cutaways
A diagram or a cutaway is used to give someone a visual image of what something looked like, and it is labeled so they know what it is.