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+++ b/README.md
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 Welcome to the repository for 100+ mini web projects using HTML, CSS, and JavaScript. This collection serves as a comprehensive resource for developers of all levels to practice their skills, explore new techniques, and get inspired by a wide range of web projects. Consider this as the ideal companion if you want to embark on the 100 Days of Code journey and challenge yourself.
 
-[View the full collection on CodePen](https://codepen.io/collection/DKLgmm?grid_type=grid&sort_by=id)
+## Companion Guide
+
+Enhance your learning journey with **_100 Projects in 100 Days – HTML, CSS & JavaScript: The Ultimate Companion Guide._** This comprehensive guide is designed to help you maximize your experience with this project collection.
+
+Inside the PDF, you'll find:
+
+- **Day 0: Before Starting Up**<br>
+  Quick-start setup instructions and a boilerplate walkthrough.
+- **Days 1–102: Challenges & Enhancements**
+  - **Challenges**: Targeted tasks to modify core markup, styles, or scripts and deepen your understanding.
+  - **Enhancements**: Advanced feature ideas, design refinements, and real-world polish suggestions.
+  - **MDN Web Docs Links**: Direct pointers to documentation for every tweak, so you can dive deeper on demand.
+  - **Solutions**: Available in the [challenge-solutions branch](https://github.com/solygambas/html-css-javascript-projects/tree/challenge-solutions) of the repository.
+
+This guide isn't just about tweaking projects; it's about building momentum, mastering fundamentals, and challenging yourself to explore, break, and rebuild.
+
+[**Preview the Companion Guide (PDF)**](https://www.onbusinessplan.com/pdfs/100%20projects%20-%20Companion%20Guide.pdf)
 
 ## Project Showcase
 
+[View the full collection on CodePen](https://codepen.io/collection/DKLgmm?grid_type=grid&sort_by=id)
+
 Explore each project individually and view live demos to see them in action:
 
 |  #  | Project                                                                | Live Demo                                                |
@@ -111,7 +129,9 @@ Explore each project individually and view live demos to see them in action:
 | 099 | [Parallax Website](099-parallax%20website)                             | [Live Demo](https://codepen.io/solygambas/full/poeBdPr)  |
 | 100 | [Hulu Webpage Clone](100-hulu%20webpage%20clone)                       | [Live Demo](https://codepen.io/solygambas/full/rNmmqBy)  |
 | 101 | [Cascade Layers](101-cascade%20layers)                                 | [Live Demo](https://codepen.io/solygambas/full/poYaZmv)  |
-| 102 | [Container queries](102-container%20queries)                           | [Live Demo](https://codepen.io/solygambas/full/abMqPNy)  |
+| 102 | [Container Queries](102-container%20queries)                           | [Live Demo](https://codepen.io/solygambas/full/abMqPNy)  |
+
+> **Ready to master all 102 projects?** Don't just build them—transform them into portfolio showpieces with our [**Ultimate Companion Guide**](https://www.onbusinessplan.com/pdfs/100%20projects%20-%20Companion%20Guide.pdf)!
 
 ## Get Inspired
 
@@ -119,7 +139,7 @@ Check out our [**collection of articles**](https://www.onbusinessplan.com/) for
 
 ## Setup Instructions
 
-To get started with these projects, follow these simple steps:
+To get started with these projects, [**watch the setup tutorial on YouTube**](https://www.youtube.com/watch?v=GlKnIym2xnk) or follow these simple steps:
 
 1. **Fork the Repository**: Click on the "Fork" button at the top-right corner of this page to create a copy of the repository in your GitHub account.