Update README.md

Author: SolisDynamics

README.md

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 ### Real-World Java Code & Companion Resources
 
 Practical Java examples covering **core libraries, concurrency, file systems, and runtime behavior**, designed for developers who want to master Java beyond theory.
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-## Get the Full Book
-Take the next step and unlock the complete structured guide:
-* 🔗**Gumroad:** https://solisdynamics.gumroad.com/l/java-libraries-guide-1
-* 🔗**Leanpub:** https://leanpub.com/java-libraries-guide
-* 🔗**Amazon:** https://www.amazon.com/dp/B0GWWXB5BV
+## 📘 Get the Full Book
+Take the next step and unlock the complete structured guide to master Java like a professional.
+
+| Platform | Link |
+| :--- | :--- |
+| **Gumroad** | [![Gumroad](https://img.shields.io/badge/Get_on-Gumroad-gold?style=for-the-badge&logo=gumroad)](https://solisdynamics.gumroad.com/l/java-libraries-guide-1) |
+| **Leanpub** | [![Leanpub](https://img.shields.io/badge/Get_on-Leanpub-red?style=for-the-badge&logo=leanpub)](https://leanpub.com/java-libraries-guide) |
+| **Amazon** | [![Amazon](https://img.shields.io/badge/Get_on-Amazon-orange?style=for-the-badge&logo=amazon)](https://www.amazon.com/dp/B0GWWXB5BV) |
 
-Build a rock-solid foundation and understand how Java works under the hood — the way professional developers do.
+> **Build a rock-solid foundation** and understand how Java works under the hood — the way professional developers do.
 
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