How this works: Each book links out to its real listing on Amazon and/or Barnes & Noble — your publisher handles the sale, delivery, and payout, just like it already does today. Paste in whichever links exist for a title (most books will have both). Books you add here are saved in this browser's storage and will show up on your live site from this device. Use the Export Catalog button after every edit and keep that JSON file somewhere safe — it's your backup and the way to move your catalog to another computer. If you want every visitor worldwide to instantly see new books the moment you add them, the next step is connecting this panel to a Firebase Firestore database, the same kind of backend your main quintanamarketingagency.store site already uses.