SelectThing

As a software that functions as an extension, SelectThing is designed to make adding books to your LibraryThing account both easy and unobtrusive. With just a few simple steps, you can select text, right-click, and select "Search on LibraryThing" from the menu.

One of the best things about SelectThing is that it seamlessly integrates with your Firefox browser, allowing you to easily access your LibraryThing account without having to switch between different applications or programs. This feature is especially useful for those who use LibraryThing frequently and want to streamline their book adding process.

Another great thing about SelectThing is its compatibility with a wide range of Firefox versions - from 0.9 to 1.0.7. This means that even if you are using an older version of Firefox, you can still enjoy the benefits and convenience that SelectThing has to offer.

Overall, SelectThing is a highly useful and valuable software extension for anyone who regularly uses LibraryThing. With its intuitive design and easy-to-use features, it has become a fan favorite among users and is highly recommended for anyone looking to simplify their book adding process.