The Green Library Catalog can be found by logging in to the Allen ISD Portal and choosing Destiny Discover. Students can put holds on books in Destiny Discover and these books will be delivered to their classroom on their library day.
The icon on the Portal will look like this:
You can also click the Follett Destiny icon below and then choose Login in the top right corner. This will ask you to log in through the Portal using the SSO Configuration (blue button).
Check out the video at the bottom of this page for more detailed instructions on using Destiny Discover.