Prompt engineering is the sexiest skill of 2025.

7 free guides to master it before everyone else:

1. Context > Prompt

Learn how context changes everything.

Link: ruben.substack.com/p/co…

2. Nano Banana Pro Prompt Guide

A clear breakdown of advanced prompt tricks.

Link: linkedin.com/feed/updat…

3. How to train ChatGPT to write like you

Step-by-step guide to teach ChatGPT your style.

Link: ruben.substack.com/p/em…

4. Gemini Prompting Guide

Learn how to get the best out of Gemini.

Link: drive.google.com/file/d…

5. The Anatomy of a GPT-5.2 Prompt

This guide breaks down parts of a great prompt.

Link: linkedin.com/feed/updat…

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Bonus:

✦ How to set up ChatGPT: ruben.substack.com/p/se…

✦ Access all AI courses: ruben.substack.com/p/fr…

✦ 0 → 10,000 followers: ruben.substack.com/p/li…

✦ Prompt ChatGPT-5.2: ruben.substack.com/p/52

✦ Remove emdashes: ruben.substack.com/p/de…

✦ Start with AI: ruben.substack.com/p/st…

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PS: I'm Ruben Hassid, and I want us to master AI before it masters us, with simple instructions.

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