Update README.md

README.md

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 # Build a Large Language Model (From Scratch)
 
-This repository contains the code for developing, pretraining, and finetuning a GPT-like LLM and is the official code repository for the book [Build a Large Language Model (From Scratch)](http://mng.bz/orYv).
+This repository contains the code for developing, pretraining, and finetuning a GPT-like LLM and is the official code repository for the book [Build a Large Language Model (From Scratch)](https://amzn.to/4fqvn0D).
 
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-<a href="http://mng.bz/orYv"><img src="https://sebastianraschka.com/images/LLMs-from-scratch-images/cover.jpg?123" width="250px"></a>
+<a href="https://amzn.to/4fqvn0D"><img src="https://sebastianraschka.com/images/LLMs-from-scratch-images/cover.jpg?123" width="250px"></a>
 
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@@ -14,8 +14,8 @@ In [*Build a Large Language Model (From Scratch)*](http://mng.bz/orYv), you'll l
 The method described in this book for training and developing your own small-but-functional model for educational purposes mirrors the approach used in creating large-scale foundational models such as those behind ChatGPT. In addition, this book includes code for loading the weights of larger pretrained models for finetuning.
 
 - Link to the official [source code repository](https://github.com/rasbt/LLMs-from-scratch)
-- [Link to the book at Manning](http://mng.bz/orYv)
-- [Link to the book page on Amazon](https://www.amazon.com/gp/product/1633437167)
+- [Link to the book at Manning (the publisher's website)](http://mng.bz/orYv)
+- [Link to the book page on Amazon.com](https://www.amazon.com/gp/product/1633437167)
 - ISBN 9781633437166
 
 <a href="http://mng.bz/orYv#reviews"><img src="https://sebastianraschka.com//images/LLMs-from-scratch-images/other/reviews.png" width="220px"></a>