Here's why:
* Encyclopedias are comprehensive collections of information covering a wide range of subjects.
* They are organized alphabetically or thematically.
* They provide concise explanations, definitions, and factual details.
* They often include statistics, charts, maps, and other visual aids to support the information.
Other examples of reference books with facts and figures include:
* Dictionaries: Define words and provide their usage.
* Almanacs: Contain yearly statistical information, historical events, and other data.
* Atlases: Show maps and geographical information.
* Yearbooks: Provide summaries and statistics for a specific year.
* Handbooks: Offer focused information on specific subjects, such as science or engineering.
The specific type of reference book depends on the type of information you are looking for.