Pay in installments of $12.75 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Viva by Marcolin VV4046 092 Men's Eyeglasses Frames 54-17-145 Matte BlueViva by Marcolin VV4046 092 Men's Eyeglasses Frames 54 17 145 Matte Blue Brand new, authentic frames. No case included. Lens size (width): 54 mm Bridge size: 17 mm Temple size: 145 mm Frame color: Matte Blue Our eyeglass frames are guaranteed to be 100% genuine. The lenses included with the frames are demo clear lenses. To get a prescription, you will need to take the frames to an optical shop. Please note that product pictures are taken under studio
Viva by Marcolin VV4046 092 Men's Eyeglasses Frames 54-17-145 Matte Blue
Brand new, authentic frames. No case included.
Lens size (width): 54 mm
Bridge size: 17 mm
Temple size: 145 mm
Frame color: Matte Blue
Our eyeglass frames are guaranteed to be 100% genuine. The lenses included with the frames are demo clear lenses. To get a prescription, you will need to take the frames to an optical shop.
Please note that product pictures are taken under studio conditions and colors may appear different in person than on your screen.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 9 reviews
Sort
Product Reviews
★★★★★ 5
Great book
Format: Paperback
Love the fact you put examples in python and javascript.
Great book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2025
★★★★★ 5
proper documentation from langchain
Format: Paperback
Liked the book. But Still missing Human in the loop.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025
★★★★★ 3
Already outdated
Format: Paperback
Concepts are sound but the code in this book is already obsolete
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 5, 2025
★★★★★ 5
Unlocking Practical AI: A Developer’s Guide to Building with LLMs and LangChain
Format: Paperback
If you're a developer eager to move beyond LLM experimentation and build robust, context-aware AI applications, this book offers both inspiration and practical guidance. The authors open with a clear passion for the transformative potential of large language models (LLMs) and LangChain, framing these technologies as not just enhancements to the developer’s toolkit, but as gateways to new kinds of “thing-building” superpowers. This sense of possibility is grounded in step-by-step instruction, making the book approachable for those with Python or JavaScript backgrounds who may be new to the world of production-grade AI agents.
What stands out is the book’s careful scaffolding: starting with foundational concepts like prompt-based programming and progressing to advanced capabilities such as retrieval-augmented generation, agent planning, and tool integration. Each stage is contextualized with real-world use cases, like customizing chatbots to interact with your own documents, personalizing user experiences through memory, and deploying to production with reliability and security in mind. The focus on chain-of-thought reasoning and LangGraph’s agent architecture demonstrates the authors’ awareness of the current state of AI, where context and planning are just as important as raw language ability.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2025
★★★★★ 5
Excellent Handbook
Format: Paperback
What got my interest in this book is the author. He's well-known as a leader in the LangChain world. And his book did not disappoint. It goes through the whole life cycle of development and there is a lot useful insights. If you are looking to build real-world genAI/agentic apps, then this book is certainly a great choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2025
recommand products
Elkay LRADQ2219553 18 Gauge Stainless Steel 22' x 19.5' x 5.5' Single Bowl Top Mount Kitchen Sink
367.11
Elkay LRAD2219551 18 Gauge Stainless Steel 22' x 19.5' x 5.5' Single Bowl Top Mount Kitchen Sink
367.11
Elkay LRAD2219500 18 Gauge Stainless Steel 22' x 19.5' x 5' Single Bowl Top Mount Kitchen Sink
367.11
I/O MAG PhotoChromic Replacement Lens
160.00
Elkay LRADQ2219552 18 Gauge Stainless Steel 22' x 19.5' x 5.5' Single Bowl Top Mount Kitchen Sink
367.11