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Harry Potter: Happy Christmas, Harry! Advent CalendarExperience the magic of the holidays with the **Harry Potter: Happy Christmas, Harry! Advent Calendar**. This beautifully crafted advent calendar features enchanting illustrations that capture the essence of the **Wizarding World** from the beloved Harry Potter films. Each day of December leads to a festive surprise, making your countdown to Christmas an unforgettable experience. Unfold the calendar to discover **24 delightful pockets**, each
Experience the magic of the holidays with the **Harry Potter: Happy Christmas, Harry! Advent Calendar**. This beautifully crafted advent calendar features enchanting illustrations that capture the essence of the **Wizarding World** from the beloved Harry Potter films. Each day of December leads to a festive surprise, making your countdown to Christmas an unforgettable experience. Unfold the calendar to discover **24 delightful pockets**, each containing unique treasures such as mini-books, stickers, coloring sheets, and holiday cards. Perfect for **Harry Potter fans** and collectors, this advent calendar serves as a wonderful gift for kids and adults alike. Immerse yourself in the spirit of the season as you celebrate alongside **Harry Potter**, **Ron Weasley**, **Hermione Granger**, and all your favorite wizarding characters. The perfect blend of fun and nostalgia, this advent calendar is a must-have for any fan looking to add a touch of magic to their holiday celebrations. Whether you're creating new family traditions or enhancing your holiday decor, the **Happy Christmas, Harry! Advent Calendar** brings joy and excitement to every household. Don’t miss out on this enchanting way to count down to Christmas with the **Wizarding World**!CONDITION: Brand New
ISBN: 9781338839821
Publisher: SCHOLASTIC INC
Number of Pages 192
Countdown to Christmas in this gorgeous advent calendar featuring enchanting illustrations inspired by the Harry Potter films. Have a magical Christmas with Harry Potter, Ron Weasley, Hermione Granger, and all your other favorite characters from the Wizarding World in this offici...al Harry Potter advent calendar. This gorgeous illustrated book unfolds to reveal 24 pockets -- each with its own holiday surprise inside! From mini-books and stickers to coloring sheets and holiday cards, there's something for everyone. This advent calendar is the perfect gift for kids, collectors, and Harry Potter fans of all ages!Read less
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4.2 ★★★★★
Based on 211 reviews
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Product Reviews
★★★★★ 4
Title: Really Good Book for Learning LLMs
Format: Paperback, Format: Paperback
I picked up this book after struggling with LLM implementation at work. Ken Huang explains things clearly without too much technical jargon.
The book covers everything from data preparation to building AI agents. I especially liked the chapters on RAG and prompting techniques - they helped me improve my current projects. The code examples actually work, which is nice.
Some parts are pretty advanced, so you need basic Python knowledge. I had to read a few chapters twice to fully get it. The fairness and bias detection section was eye-opening.
Good practical advice throughout. Not just theory - real solutions you can use. Worth the money if you're serious about LLM development.
Recommended for anyone building AI systems professionally.
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Reviewed in the United States on July 25, 2025
★★★★★ 5
a comprehensive guide at the intersection of generative AI and cybersecurity
Format: Kindle
This book blends deep theoretical foundations with practical frameworks and forward-looking strategies. From adversarial risk models to actionable guidance using OWASP Top 10 for LLMs and the NIST AI RMF, it offers both technical depth and operational clarity.
What makes it stand out is its balance of academic rigor and real-world CISO insights, providing a holistic perspective on securing GenAI systems. While it leans enterprise-focused, the content remains accessible to security engineers, risk managers, and policy leaders alike.
Generative AI Security is a timely and essential read for anyone working to deploy GenAI responsibly—building systems with both power and integrity in today’s fast-evolving threat landscape.
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Reviewed in the United States on July 2, 2025
★★★★★ 1
Light on substance and heavy on flaws
Format: Paperback
The book has a great list of topics, but fails to provide much substance any of them.
Most of the provided code is just comments that avoid the actual crux of the issues being discussed. (e.g. #implement the logic to validate XYZ - while the whole point of this chapter is teach how the heck we validate XYZ!)
Some parts are plain wrong, for example the part on Graph based RAG is fundamentally flawed as it assumes the text embedding and the graph embedding are in the same latent space. (This is one of many more examples).
Seems like the book was rushed, and the author has limited hands on experience (if any).
At least we know based on the amount of flaws that it was not written by an LLM
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Excellent book to truly understand LLM design patterns
Format: Paperback
I just finished reviewing Ken Huang's pocket book on LLM Design Patterns, and WOW what an amazing resource! This book is excellent if you want to truly understand how to create and enhance intelligent AI language models, all that in your pocket!
Ken makes the difficult things seem surprisingly easy, and that's the real MAGIC.
- How to prepare your data for training by making it extremely clean.
Developing the brains: the practical aspects of training, optimizing, and maintaining your models.
- Learn amazing prompting techniques (such as Chain-of-Thought and Tree-of-Thoughts) to improve your AI's reasoning and problem-solving abilities.
Learn everything there is to know about RAGs so that your LLM can incorporate outside expertise.
- It also delves into creating "agentic" AI that is capable of action and planning (not only simple plan and execute but also enhanced techniques like ReWoo!)
Really, this feels like a useful toolkit, so Ken thank you for that resource
Thanks, Idan Habler
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Reviewed in the United States on June 9, 2025
★★★★★ 3
A Broad Overview, But Light on Modern Fine-Tuning
Format: Paperback
I'm currently really interested in fine-tuning LLMs and recently completed my first LoRA-based fine-tuning on a quantized model. I came to this book looking for more detail on fine-tuning. While it touches on the topic, I found the content didn’t quite align with the current state of the field in 2025. Techniques like LoRA, QLoRA, and PEFT weren’t really covered, and the material leaned more toward what I think are older or lower level approaches. That made it harder to connect with what I’m actually working on.
That said, when I shifted to other chapters — like the sections on prompt engineering techniques such as Chain of Thought (CoT) and Tree of Thought (ToT) — I found more value. These sections were clearer, and I picked up a few practical insights, like using few-shot examples that walk through the CoT reasoning process. That’s not something I’ve tried before, and I can see how it might help smaller models that struggle with any type of reasoning tasks.
Overall, the book feels more like a broad overview of all LLM concepts. For someone exploring many topics across the LLM ecosystem, it offers a wide-ranging introduction. But for readers like me who are actively trying to learn and apply techniques like fine-tuning and quantization, it may leave you wanting up-to-date guidance.
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Reviewed in the United States on August 10, 2025