Handbook

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For the handbook about Wikipedia, see Help:Contents.

This article is about reference works. For the subnotebook computer, see Gateway Handbook.

"Pocket reference" redirects here. For the all-purpose reference work by Thomas J. Glover, see Pocket Ref.

"Vademecum" redirects here. For other uses, see Vademecum (disambiguation).

A handbook is a type of reference work, or other collection of instructions, that is intended to provide ready reference. A vade mecum (lat. "go with me") or pocket reference is intended to be carried at all times.

Handbooks may deal with any topic, and are generally compendiums of information in a particular field or about a particular technique. They are designed to be easily consulted and provide quick answers in a certain area. For example, the MLA Handbook for Writers of Research Papers is a reference for how to cite works in MLA style, among other things.

"Handbook" is sometimes applied to documents that are produced within an organization that are not designed for publication -- such as a company handbook for HR, for instance. In this case, the term is used nearly synonymously with "manual."

The name "handbook" may sometimes be applied to reference works that are not pocket-sized, but do provide ready reference, as is the case with several engineering handbooks such as Perry's Chemical Engineers' Handbook, Marks Standard Handbook for Mechanical Engineers, and the CRC Handbook of Chemistry and Physics. Handbooks are widely used in the sciences as quick references for various kinds of data.