To access your online textbook, follow these steps:
1) Go to Schoology
2) In the left-hand column, click on "McGraw-Hill ConnectED"
3) Click on "Launch App"
4) Click on the book cover, and it will "open" your online textbook
You can also watch this short video, where I will show you how to access your online textbook.
Video: How to Find Your Online Textbook