# I. Introductory

> This handbook summarizes the essentials of plain English style. It focuses on the rules of usage and principles of composition most often broken, offering a compact alternative to exhaustive manuals.

- Skill: `tools-only/i-introductory` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add tools-only/i-introductory`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tools-only/i-introductory/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tools-only (https://skillmd.com/u/tools-only)
- Updated: 2026-09-29
- Page: https://skillmd.com/skills/tools-only/i-introductory

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## I. Introductory

This handbook summarizes the essentials of plain English style. It focuses on the rules of usage and principles of composition most often broken, offering a compact alternative to exhaustive manuals. Master the guidance here, then look to the best authors for finer points of style.