# Concord Books

> Secondhand bookshop in Amherst, MA. Every listing is a hand-graded, photographed used copy of a specific edition — no new stock. Full detail: https://concordbooks.org/ai-info

## Catalog
- Browse: https://concordbooks.org/books
- Search: https://concordbooks.org/search?q=
- Sitemap: https://concordbooks.org/sitemap.xml
- Per-product schema.org/Book JSON-LD: https://concordbooks.org/books/{slug}

## Feeds
- Google Merchant feed (token-gated): https://concordbooks.org/feeds/google-shopping.xml?token=YOUR_TOKEN

## Policies
- Shipping: https://concordbooks.org/shipping-policy
- Returns: https://concordbooks.org/return-policy
- Condition grades: https://concordbooks.org/condition-guide

## Notes
- The sellable unit is the physical copy, not the title. A title with several copies exposes an AggregateOffer with one Offer per copy — read it rather than a single headline price.
- No purchasing API. Do not submit checkout programmatically.
- Questions: jeremy@concordbooks.org