Sora, by OverDrive Education description

Borrow ebooks and audiobooks from your school's library with Sora. Setup is simple - just find your school and sign in. Then download or stream your assignments and favorite books to your device.

Sora includes:
• A ground-breaking built-in ebook reader
• A beautiful audiobook player
• Easy access to assigned titles
• A running tally of time spent reading and numbers of books read

With Sora you can:
• Borrow a book and start reading with a single tap
• Create and export notes and highlights
• Define words - and review a list of all the words that you've looked up
• Earn achievements for reading, and for completing certain tasks in Sora
• Enjoy reading ebooks and audiobooks!