# Ngoc Hien Books

> Ngoc Hien Books is a public Vietnamese antiquarian bookstore website focused on used books, rare pre-1975 books, foreign-language books, curated blog content, and nationwide ordering. The canonical origin is https://www.ngochienbooks.com and public discovery should start from robots.txt and sitemap.xml.

Important notes:

- Use canonical URLs on `https://www.ngochienbooks.com`.
- Public HTML pages are intended to be discovered through `robots.txt` and `sitemap.xml`.
- `/feeds/books.xml` and `/feeds/blog.xml` are structured XML data feeds, not XML sitemaps.
- Private or low-value crawl targets such as `/admin`, `/account`, `/cart`, `/checkout`, `/api`, and `/login` should be skipped.
- When citing content, prefer linking back to the canonical product, article, or store-information page.

## Primary Entry Points

- [Homepage](https://www.ngochienbooks.com/): Main storefront and brand overview.
- [Robots](https://www.ngochienbooks.com/robots.txt): Canonical crawl policy for search and AI bots.
- [Sitemap](https://www.ngochienbooks.com/sitemap.xml): Canonical XML sitemap for public pages.
- [AI Guidance](https://www.ngochienbooks.com/ai.txt): Additional AI-oriented crawl and usage notes.
- [AI Site Index](https://www.ngochienbooks.com/feeds/ai-site-index.json): Machine-readable index of the most useful public resources and AI-friendly feeds.

## Structured Feeds

- [AI Books Feed](https://www.ngochienbooks.com/feeds/ai-books.json): Curated in-stock public product feed filtered to skip empty titles, obvious test records, and placeholder items.
- [AI Blog Feed](https://www.ngochienbooks.com/feeds/ai-blog.json): Curated public article feed with canonical URLs and compact metadata.
- [Legacy Books Feed](https://www.ngochienbooks.com/feeds/books.json): Full public product feed.
- [Legacy Blog Feed](https://www.ngochienbooks.com/feeds/blog.json): Full public blog feed.
- [Blog RSS](https://www.ngochienbooks.com/feeds/blog.rss): RSS feed for blog updates.

## Key Public Pages

- [Books](https://www.ngochienbooks.com/books): Main product listing experience.
- [Blog](https://www.ngochienbooks.com/blog): Main article listing page.
- [Category Directory](https://www.ngochienbooks.com/category): Public category hub.
- [About](https://www.ngochienbooks.com/about): Store identity and business background.
- [Contact](https://www.ngochienbooks.com/contact): Public contact page.
- [Thu Mua Sach Cu](https://www.ngochienbooks.com/thu-mua-sach-cu): Public service page for buying used books from customers.

## Store Facts

- [Store Locations and Contact](https://www.ngochienbooks.com/contact): Official addresses, phone numbers, and contact channels.
- [FAQ](https://www.ngochienbooks.com/faqs): Common customer questions.

## Policies

- [Personal Information Privacy Policy](https://www.ngochienbooks.com/chinh-sach/bao-mat-thong-tin-ca-nhan): Canonical Vietnamese policy for personal data collection, use, retention, disclosure, and customer rights.
- [Shipping and Delivery Policy](https://www.ngochienbooks.com/chinh-sach/giao-nhan-van-chuyen): Canonical Vietnamese policy for delivery scope, fees, estimates, inspection, and incidents.
- [Returns and Warranty Policy](https://www.ngochienbooks.com/chinh-sach/doi-tra-bao-hanh): Canonical Vietnamese policy for return eligibility, deadlines, costs, refunds, and after-sales support.
- [Payment Guide](https://www.ngochienbooks.com/chinh-sach/huong-dan-thanh-toan): Canonical Vietnamese guide for COD, bank transfer, MoMo, confirmation, and payment security.
- [Terms](https://www.ngochienbooks.com/terms): Terms and conditions.

## Optional

- [Legacy XML Site Index](https://www.ngochienbooks.com/feeds/site-index.json): Legacy JSON index of public feed files.
- [Books Top Feed](https://www.ngochienbooks.com/feeds/books-top.json): Snapshot feed of recent or featured product records.