This is used by writers of scholarly books It usually has longer sentences and a greater variety words than everyday speech Slang contractions jargon are avoided?

This describes formal writing, which is often used in scholarly books, academic papers, and other professional contexts.

Here's a breakdown of its key features:

* Longer sentences: Formal writing tends to use complex sentence structures, often with multiple clauses and phrases, to express intricate ideas and arguments.

* Greater variety of words: Formal writing prioritizes precise and sophisticated language, often employing less common vocabulary to convey nuanced meaning.

* Avoidance of slang, contractions, and jargon: These elements are considered informal and can detract from the seriousness and professionalism of formal writing.

Formal writing emphasizes clarity, precision, and a logical flow of ideas. It aims to present information in a comprehensive and authoritative manner.