This book gives you the other 90%. Every tool, every setting, every workflow — explained so you actually understand what's happening under the hood.
59,000+ words. 20 chapters. 3 cheat sheets. Written by Ramon Tenório for developers who want to stop guessing and start shipping.
v1.0 · 59,467 words · 26 chapters
If any of these are true, you're leaving serious productivity on the table.
You copy-paste Claude's suggestions instead of letting it edit directly
You restart sessions because Claude 'forgot' what you were working on
You don't know what CLAUDE.md is or why it matters
You approve every permission prompt without understanding what it does
You've never used subagents, hooks, or MCP servers
You spend more time re-prompting than actually building
None of this is your fault. There's no official guide, no manual, no single resource that explains how Claude Code actually works. Until this book.
Each chapter solves a real problem. No filler, no theory dumps — just the knowledge that changes how you work.
Learn exactly how the agentic loop transforms your words into file edits, commands, and commits — so you can write prompts that work on the first try.
There are 12+ tools Claude can reach for. Most users don't know half of them. You'll understand when and why each one fires — and how to steer it.
The permission system confuses everyone at first. Learn the trust levels, the allow/deny logic, and how to configure it so Claude works the way you want.
Context window overflow is the #1 frustration. Learn how to structure sessions, use CLAUDE.md, and manage context so Claude stays sharp through long tasks.
Commits, branches, PRs — most people are afraid to let Claude touch git. Learn exactly how it works and the guardrails that keep your history safe.
MCP servers let Claude talk to databases, APIs, Slack, Linear — anything. Hooks let you automate its behavior. This is where Claude Code becomes truly powerful.
“A good analogy is the difference between calling a mechanic on the phone and having one show up at your garage. The phone mechanic can describe how to change your oil, walking you through each step while you fumble with the wrench. The garage mechanic pops the hood and does the work while you watch, and at any point you can say ‘stop’ or ‘not that wrench.’”
Claude Code is the mechanic in your garage: you describe what you want in plain language, and Claude figures out how to build it.
You use it but feel like you're only scratching the surface. There's a gap between what Claude can do and what you're getting out of it.
You're deciding between Copilot, Cursor, and Claude Code. This book shows you exactly what Claude Code can do — no marketing fluff.
You need your team productive fast. This book is the onboarding material that doesn't exist yet — from zero to advanced in one read.
I use Claude Code every single day to build real products. After hundreds of sessions, I realized the biggest bottleneck isn't the tool — it's not understanding how it works. So I wrote the guide I wish existed when I started.
Every chapter is based on real workflows, real mistakes, and real patterns that actually work. No recycled documentation — just hard-earned knowledge organized so you can absorb it fast.
Less than two coffees.
No subscription. Pay once, own forever. Free updates for life.
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PDF — optimized for reading on any device. Clean typography, syntax-highlighted code blocks, and proper page breaks. You can read it on your laptop, tablet, or phone.
Instantly via email with the PDF attached. No waiting. You can also create a free account with the same email to re-download anytime from your dashboard.
Yes. The book starts from zero — what Claude Code is, how to install it, how to run your first session. Then it builds up to advanced topics like subagents, MCP servers, and hooks. Every chapter assumes you might be reading it first.
Almost certainly. Most users only touch 10-20% of what Claude Code can do. Chapters on context window management, subagents, hooks, and the permission system are consistently eye-openers even for daily users.
If you're not satisfied, email us and we'll refund you — no questions asked. But honestly, no one has asked for one yet.
Yes, free forever. Claude Code ships updates constantly. When important features change, the book gets updated and you get every new edition at no extra cost.
One read and you'll understand more about Claude Code than months of trial and error.