# Helen's Book Mark - Paperback Book Exchange > Cozy used bookstore with seats in each aisle for browsing and reading. Offers an astounding collection of trade paperbacks and books for all ages. Welcomes dogs and features a book credit system allowing trade-ins for future purchases. Source: https://www.atly.com/location/Helen's-Book-Mark---Paperback-Book-Exchange - Address: 153 E Grand Ave, Escondido, California, United States - Phone: +17607466362 - Website: https://www.helensbookmark.com/ - Google rating: 4.6 (114 reviews) ## What it is good for - Bookstore — 10/10 ## What people say - "I found this bookstore to have an amazing selection of books." ## Good to know - You can bring your well-behaved dog inside with you. - You can bring in your read books for credits on future purchases. - The store has a good selection of new and old books. - You always pay a little something for each purchase, but credits can reduce the total cost. - The credit can be applied to most categories. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.