Greasy Fork

- Added all supported domains for amazon.
- Now works even if you not signed into Goodreads.

• Amazon keeps changing div tags updated to fix button now showing.

new div id for ebook and update to show on paperback and hardbacks with different div ids

Updated as Amazon changed site layout

• Button now only shows on books instead of every product page.
• Fixed two code errors.

Changed location of button to left side with other buttons.