Can you answer my riddle? Reference SourcesWhat walks on four legs in the morning, two legs in the afternoon, and three legs at night?

General encyclopedias (World Book, Comptons) cover all topics. But throughout the reference collection, specialized encyclopedias and dictionaries are also found. For example:

The Encyclopedia of Ancient Egypt - - R932 BUN

The complete index is often found only in the last volume of a reference set.


With respect to both reference and non-fiction materials:
Look for your topic in both the index and the table of contents.
Note the copyright date.  This may affect the accuracy of the information.
Note the scope and sequence of the resource.   For example:

geographic area
point of view, agenda
time period
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