SpineFind - Cheaper Textbooks de Iheanyi Ekechukwu

SpineFind helps students save money on textbooks by comparing prices across multiple retailers.

Features:
- Automatically detects textbooks on eFollet (bkstr.com) and Barnes & Noble College (bncollege.com) bookstore pages
- Shows price comparisons from Amazon, AbeBooks, Chegg, ThriftBooks, and Better World Books
- One-click access to the best deals
- Create shareable book lists to compare prices with classmates
- Works in the sidebar for easy access while browsing

How it works:
1. Visit your college bookstore's textbook page
2. Click the SpineFind icon to open the sidebar
3. See instant price comparisons for all detected textbooks
4. Click through to purchase from the retailer with the best price

Privacy-focused: We only collect ISBNs from bookstore pages you visit - no personal data, no browsing history, no tracking.