|Broader -- overview of a topic (in-depth analysis) with a broad historical perspective.
|Narrower -- detailed information on some particular aspect of a topic, but not much historical overview.
|Quality checked by editors (subject experts working for an academic publisher).
|Quality checked during peer review process.
|Less current -- it takes a number of years to write, edit, and publish books, so they don't cover the most recent developments.
|More current -- articles take less time to write and publish, so they cover new developments in a field of study sooner than books.
|Longer -- most scholarly books average 200-300 pages.
|Shorter -- articles typically run from 10 to 30 pages.