1. Encyclopedia Skills
Encyclopedia : a work that contains information on all branches of knowledge or treats comprehensively a particular branch of knowledge usually in articles arranged alphabetically often by subject.

2. Encyclopedia Tools Edition – What year the set was published
Volume – What number in the set, also what letters are covered in that volume.
Guide words – The words at the top of the page that tell you what articles are on that page.
Article – The information written about a certain topic

3. Encyclopedia Tools Pictures – photos of people, places, and events.
Picture captions – the words under a picture that tell you what the picture is about.
Maps – Show you different places and other information.
Diagrams – Show you how something works.
Charts and Tables – provide extra information.

4. Research Guide and Index
This is a separate volume in the World Books. In some other sets they are at the back of each volume.
The Research Guide is designed to help answer questions about how to research information and how to write reports.
The index lists all of the sets topics in alphabetical order and tells you where to find the articles about those topics.