Many major publishing agencies generate additional revenue through custom publishing divisions, producing limited-distribution publications, sometimes called magalog .
A magalog is a informational copy of a magazine, usually in a 12-page index format. The name is a portmanteau of "magazine" and "catalog" and was coined by Gary Bencivenga. Magalogs help announce magazines to new readers. It can also help current readers see new or upcoming changes, additions, or improvements to the magazine. An alternate use can include catalogs that are presented with content, not just advertising.
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