Encyclopedias, when compared to dictionaries, generally offer a more detailed explanation of a term, concept, person, or place. The benifits of using an encyclopedia are:
Atlases can often times paint a picture of what life was like during Bible times by using time appropriate maps as well as by utilizing the archaeological findings concerned with the biblical world.
Atlas of the Bible, Andromeda
The International Standard Bible Encyclopedia
by
Geoffrey W. Bromiley
The Zondervan pictorial encyclopedia of the Bible
by
Merrill C. Tenney (General editor)