I had searched the Firefox Add-on catalog and the official tool has never shown up: https://addons.mozilla.org/en-US/firefox/search/?platform=windows&q=send%20

I had searched the Firefox Add-on catalog and the official tool has never shown up: https://addons.mozilla.org/en-US/firefox/search/?platform=windows&q=send%20to%20kindle https://addons.mozilla.org/en-US/firefox/search/?platform=wi... Interestingly, the link from Amazon, clicked through your link, is dead https://addons.mozilla.org/en-US/firefox/addon/sendtokindle/ https://addons.mozilla.org/en-US/firefox/addon/sendtokindle/