It's an early demo of a web based application which enables you to read, listen to & navigate through 'DAISY 3' digital talking books online.
If you're using Internet Explorer (on Windows), and want Buttercup to self-voice (or you're playing a book without embedded audio), then you'll need to change your web browser settings. See User Guide for more details.
There are a couple of quick things you'll need to do in order to use the ButtercupReader.
Then reload this page and you're ready to go!