zyBooks maintains your sign-in status by temporarily and securely storing your user credentials in the browser's local storage. This allows you to remain signed in as you navigate zyBooks and synchronizes your activity data across multiple browser tabs so you can quickly get back to learning.
To sign in, you will need to enable zybooks.com access to either your browser's local storage or first party cookies. Please refer to your browser's documentation on how to accomplish this. These settings may also be controlled by a third party internet security tool or system administrator.
Note that you only need to enable browser storage for zybooks.com, storage permissions for third parties is always optional. If you have further questions or concerns about this matter please contact email@example.com.